Home / 9,415.38-14,123.16-4,220.04

Finding the Fourth Proportional to 9,415.38, 14,123.16 and 4,220.04

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Solution

The fourth proportional to 9,415.38, 14,123.16 and 4,220.04 is: 6,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.38 : 14,123.16 = 4,220.04 : x
  2. Step 2: Convert to fraction form
    9,415.38/14,123.16 = 4,220.04/x
  3. Step 3: Cross multiply
    9,415.38x = 14,123.16 × 4,220.04
  4. Step 4: Simplify right side
    9,415.38x = 59,600,300.13
  5. Step 5: Solve for x
    x = 59,600,300.13/9,415.38
  6. Step 6: Final answer
    x = 6,330.10

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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.