Home / 9,972.02-13,746.65-6,386.47

Finding the Fourth Proportional to 9,972.02, 13,746.65 and 6,386.47

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Solution

The fourth proportional to 9,972.02, 13,746.65 and 6,386.47 is: 8,803.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.02 : 13,746.65 = 6,386.47 : x
  2. Step 2: Convert to fraction form
    9,972.02/13,746.65 = 6,386.47/x
  3. Step 3: Cross multiply
    9,972.02x = 13,746.65 × 6,386.47
  4. Step 4: Simplify right side
    9,972.02x = 87,792,501.53
  5. Step 5: Solve for x
    x = 87,792,501.53/9,972.02
  6. Step 6: Final answer
    x = 8,803.88

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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.