Home / 10,864.31-16,287.23-10,347.63

Finding the Fourth Proportional to 10,864.31, 16,287.23 and 10,347.63

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Solution

The fourth proportional to 10,864.31, 16,287.23 and 10,347.63 is: 15,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.31 : 16,287.23 = 10,347.63 : x
  2. Step 2: Convert to fraction form
    10,864.31/16,287.23 = 10,347.63/x
  3. Step 3: Cross multiply
    10,864.31x = 16,287.23 × 10,347.63
  4. Step 4: Simplify right side
    10,864.31x = 168,534,178.03
  5. Step 5: Solve for x
    x = 168,534,178.03/10,864.31
  6. Step 6: Final answer
    x = 15,512.65

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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.