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Finding the Fourth Proportional to 15,929, 23,918.16 and 8,547.86

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Solution

The fourth proportional to 15,929, 23,918.16 and 8,547.86 is: 12,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929 : 23,918.16 = 8,547.86 : x
  2. Step 2: Convert to fraction form
    15,929/23,918.16 = 8,547.86/x
  3. Step 3: Cross multiply
    15,929x = 23,918.16 × 8,547.86
  4. Step 4: Simplify right side
    15,929x = 204,449,083.14
  5. Step 5: Solve for x
    x = 204,449,083.14/15,929
  6. Step 6: Final answer
    x = 12,835.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.