Home / 15,253.96-21,045.79-10,210.19

Finding the Fourth Proportional to 15,253.96, 21,045.79 and 10,210.19

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Solution

The fourth proportional to 15,253.96, 21,045.79 and 10,210.19 is: 14,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.96 : 21,045.79 = 10,210.19 : x
  2. Step 2: Convert to fraction form
    15,253.96/21,045.79 = 10,210.19/x
  3. Step 3: Cross multiply
    15,253.96x = 21,045.79 × 10,210.19
  4. Step 4: Simplify right side
    15,253.96x = 214,881,514.60
  5. Step 5: Solve for x
    x = 214,881,514.60/15,253.96
  6. Step 6: Final answer
    x = 14,086.93

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.