Home / 11,432.36-15,777.50-6,397.08

Finding the Fourth Proportional to 11,432.36, 15,777.50 and 6,397.08

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Solution

The fourth proportional to 11,432.36, 15,777.50 and 6,397.08 is: 8,828.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.36 : 15,777.50 = 6,397.08 : x
  2. Step 2: Convert to fraction form
    11,432.36/15,777.50 = 6,397.08/x
  3. Step 3: Cross multiply
    11,432.36x = 15,777.50 × 6,397.08
  4. Step 4: Simplify right side
    11,432.36x = 100,929,897.71
  5. Step 5: Solve for x
    x = 100,929,897.71/11,432.36
  6. Step 6: Final answer
    x = 8,828.44

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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.