Home / 9,970.32-14,957.27-4,127.39

Finding the Fourth Proportional to 9,970.32, 14,957.27 and 4,127.39

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Solution

The fourth proportional to 9,970.32, 14,957.27 and 4,127.39 is: 6,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.32 : 14,957.27 = 4,127.39 : x
  2. Step 2: Convert to fraction form
    9,970.32/14,957.27 = 4,127.39/x
  3. Step 3: Cross multiply
    9,970.32x = 14,957.27 × 4,127.39
  4. Step 4: Simplify right side
    9,970.32x = 61,734,391.20
  5. Step 5: Solve for x
    x = 61,734,391.20/9,970.32
  6. Step 6: Final answer
    x = 6,191.82

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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.