Home / 10,328.71-15,499.08-4,089.35

Finding the Fourth Proportional to 10,328.71, 15,499.08 and 4,089.35

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Solution

The fourth proportional to 10,328.71, 15,499.08 and 4,089.35 is: 6,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.71 : 15,499.08 = 4,089.35 : x
  2. Step 2: Convert to fraction form
    10,328.71/15,499.08 = 4,089.35/x
  3. Step 3: Cross multiply
    10,328.71x = 15,499.08 × 4,089.35
  4. Step 4: Simplify right side
    10,328.71x = 63,381,140.47
  5. Step 5: Solve for x
    x = 63,381,140.47/10,328.71
  6. Step 6: Final answer
    x = 6,136.41

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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.