Home / 15,262.25-21,062.36-8,547.86

Finding the Fourth Proportional to 15,262.25, 21,062.36 and 8,547.86

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Solution

The fourth proportional to 15,262.25, 21,062.36 and 8,547.86 is: 11,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.25 : 21,062.36 = 8,547.86 : x
  2. Step 2: Convert to fraction form
    15,262.25/21,062.36 = 8,547.86/x
  3. Step 3: Cross multiply
    15,262.25x = 21,062.36 × 8,547.86
  4. Step 4: Simplify right side
    15,262.25x = 180,038,020.61
  5. Step 5: Solve for x
    x = 180,038,020.61/15,262.25
  6. Step 6: Final answer
    x = 11,796.30

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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.