Home / 15,265.32-21,068.01-9,297.86

Finding the Fourth Proportional to 15,265.32, 21,068.01 and 9,297.86

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Solution

The fourth proportional to 15,265.32, 21,068.01 and 9,297.86 is: 12,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.32 : 21,068.01 = 9,297.86 : x
  2. Step 2: Convert to fraction form
    15,265.32/21,068.01 = 9,297.86/x
  3. Step 3: Cross multiply
    15,265.32x = 21,068.01 × 9,297.86
  4. Step 4: Simplify right side
    15,265.32x = 195,887,302.12
  5. Step 5: Solve for x
    x = 195,887,302.12/15,265.32
  6. Step 6: Final answer
    x = 12,832.18

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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.