Home / 25,159.50-37,740.53-6,439.69

Finding the Fourth Proportional to 25,159.50, 37,740.53 and 6,439.69

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Solution

The fourth proportional to 25,159.50, 37,740.53 and 6,439.69 is: 9,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,159.50 : 37,740.53 = 6,439.69 : x
  2. Step 2: Convert to fraction form
    25,159.50/37,740.53 = 6,439.69/x
  3. Step 3: Cross multiply
    25,159.50x = 37,740.53 × 6,439.69
  4. Step 4: Simplify right side
    25,159.50x = 243,037,376.91
  5. Step 5: Solve for x
    x = 243,037,376.91/25,159.50
  6. Step 6: Final answer
    x = 9,659.87

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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.