Home / 10,901.31-15,044.08-6,121.63

Finding the Fourth Proportional to 10,901.31, 15,044.08 and 6,121.63

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Solution

The fourth proportional to 10,901.31, 15,044.08 and 6,121.63 is: 8,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.31 : 15,044.08 = 6,121.63 : x
  2. Step 2: Convert to fraction form
    10,901.31/15,044.08 = 6,121.63/x
  3. Step 3: Cross multiply
    10,901.31x = 15,044.08 × 6,121.63
  4. Step 4: Simplify right side
    10,901.31x = 92,094,291.45
  5. Step 5: Solve for x
    x = 92,094,291.45/10,901.31
  6. Step 6: Final answer
    x = 8,448.00

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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.