Home / 15,117.14-22,656.56-8,547.06

Finding the Fourth Proportional to 15,117.14, 22,656.56 and 8,547.06

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Solution

The fourth proportional to 15,117.14, 22,656.56 and 8,547.06 is: 12,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.14 : 22,656.56 = 8,547.06 : x
  2. Step 2: Convert to fraction form
    15,117.14/22,656.56 = 8,547.06/x
  3. Step 3: Cross multiply
    15,117.14x = 22,656.56 × 8,547.06
  4. Step 4: Simplify right side
    15,117.14x = 193,646,977.71
  5. Step 5: Solve for x
    x = 193,646,977.71/15,117.14
  6. Step 6: Final answer
    x = 12,809.76

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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.