Home / 15,302.93-21,117.65-8,590.19

Finding the Fourth Proportional to 15,302.93, 21,117.65 and 8,590.19

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Solution

The fourth proportional to 15,302.93, 21,117.65 and 8,590.19 is: 11,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,302.93 : 21,117.65 = 8,590.19 : x
  2. Step 2: Convert to fraction form
    15,302.93/21,117.65 = 8,590.19/x
  3. Step 3: Cross multiply
    15,302.93x = 21,117.65 × 8,590.19
  4. Step 4: Simplify right side
    15,302.93x = 181,404,477.31
  5. Step 5: Solve for x
    x = 181,404,477.31/15,302.93
  6. Step 6: Final answer
    x = 11,854.24

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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.