Home / 10,140.61-15,210.85-4,136.66

Finding the Fourth Proportional to 10,140.61, 15,210.85 and 4,136.66

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Solution

The fourth proportional to 10,140.61, 15,210.85 and 4,136.66 is: 6,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.61 : 15,210.85 = 4,136.66 : x
  2. Step 2: Convert to fraction form
    10,140.61/15,210.85 = 4,136.66/x
  3. Step 3: Cross multiply
    10,140.61x = 15,210.85 × 4,136.66
  4. Step 4: Simplify right side
    10,140.61x = 62,922,094.08
  5. Step 5: Solve for x
    x = 62,922,094.08/10,140.61
  6. Step 6: Final answer
    x = 6,204.96

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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.