Home / 14,547.80-20,079.10-8,577.28

Finding the Fourth Proportional to 14,547.80, 20,079.10 and 8,577.28

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Solution

The fourth proportional to 14,547.80, 20,079.10 and 8,577.28 is: 11,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.80 : 20,079.10 = 8,577.28 : x
  2. Step 2: Convert to fraction form
    14,547.80/20,079.10 = 8,577.28/x
  3. Step 3: Cross multiply
    14,547.80x = 20,079.10 × 8,577.28
  4. Step 4: Simplify right side
    14,547.80x = 172,224,062.85
  5. Step 5: Solve for x
    x = 172,224,062.85/14,547.80
  6. Step 6: Final answer
    x = 11,838.50

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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.