Home / 18,752.02-28,127.28-4,712.16

Finding the Fourth Proportional to 18,752.02, 28,127.28 and 4,712.16

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Solution

The fourth proportional to 18,752.02, 28,127.28 and 4,712.16 is: 7,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.02 : 28,127.28 = 4,712.16 : x
  2. Step 2: Convert to fraction form
    18,752.02/28,127.28 = 4,712.16/x
  3. Step 3: Cross multiply
    18,752.02x = 28,127.28 × 4,712.16
  4. Step 4: Simplify right side
    18,752.02x = 132,540,243.72
  5. Step 5: Solve for x
    x = 132,540,243.72/18,752.02
  6. Step 6: Final answer
    x = 7,068.05

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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.