Home / 11,510.02-15,884.13-6,475.20

Finding the Fourth Proportional to 11,510.02, 15,884.13 and 6,475.20

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Solution

The fourth proportional to 11,510.02, 15,884.13 and 6,475.20 is: 8,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.02 : 15,884.13 = 6,475.20 : x
  2. Step 2: Convert to fraction form
    11,510.02/15,884.13 = 6,475.20/x
  3. Step 3: Cross multiply
    11,510.02x = 15,884.13 × 6,475.20
  4. Step 4: Simplify right side
    11,510.02x = 102,852,918.58
  5. Step 5: Solve for x
    x = 102,852,918.58/11,510.02
  6. Step 6: Final answer
    x = 8,935.95

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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.