Home / 15,905.46-23,853.60-6,417.78

Finding the Fourth Proportional to 15,905.46, 23,853.60 and 6,417.78

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Solution

The fourth proportional to 15,905.46, 23,853.60 and 6,417.78 is: 9,624.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.46 : 23,853.60 = 6,417.78 : x
  2. Step 2: Convert to fraction form
    15,905.46/23,853.60 = 6,417.78/x
  3. Step 3: Cross multiply
    15,905.46x = 23,853.60 × 6,417.78
  4. Step 4: Simplify right side
    15,905.46x = 153,087,157.01
  5. Step 5: Solve for x
    x = 153,087,157.01/15,905.46
  6. Step 6: Final answer
    x = 9,624.82

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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.