Home / 19,439.55-29,152.01-6,288.39

Finding the Fourth Proportional to 19,439.55, 29,152.01 and 6,288.39

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Solution

The fourth proportional to 19,439.55, 29,152.01 and 6,288.39 is: 9,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.55 : 29,152.01 = 6,288.39 : x
  2. Step 2: Convert to fraction form
    19,439.55/29,152.01 = 6,288.39/x
  3. Step 3: Cross multiply
    19,439.55x = 29,152.01 × 6,288.39
  4. Step 4: Simplify right side
    19,439.55x = 183,319,176.72
  5. Step 5: Solve for x
    x = 183,319,176.72/19,439.55
  6. Step 6: Final answer
    x = 9,430.22

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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.