Home / 12,547.44-18,818.28-4,755.24

Finding the Fourth Proportional to 12,547.44, 18,818.28 and 4,755.24

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Solution

The fourth proportional to 12,547.44, 18,818.28 and 4,755.24 is: 7,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.44 : 18,818.28 = 4,755.24 : x
  2. Step 2: Convert to fraction form
    12,547.44/18,818.28 = 4,755.24/x
  3. Step 3: Cross multiply
    12,547.44x = 18,818.28 × 4,755.24
  4. Step 4: Simplify right side
    12,547.44x = 89,485,437.79
  5. Step 5: Solve for x
    x = 89,485,437.79/12,547.44
  6. Step 6: Final answer
    x = 7,131.77

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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.