Home / 15,233.76-21,030.80-10,703.20

Finding the Fourth Proportional to 15,233.76, 21,030.80 and 10,703.20

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Solution

The fourth proportional to 15,233.76, 21,030.80 and 10,703.20 is: 14,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.76 : 21,030.80 = 10,703.20 : x
  2. Step 2: Convert to fraction form
    15,233.76/21,030.80 = 10,703.20/x
  3. Step 3: Cross multiply
    15,233.76x = 21,030.80 × 10,703.20
  4. Step 4: Simplify right side
    15,233.76x = 225,096,858.56
  5. Step 5: Solve for x
    x = 225,096,858.56/15,233.76
  6. Step 6: Final answer
    x = 14,776.19

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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.