Home / 40,266.40-60,400.10-12,186.64

Finding the Fourth Proportional to 40,266.40, 60,400.10 and 12,186.64

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Solution

The fourth proportional to 40,266.40, 60,400.10 and 12,186.64 is: 18,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.40 : 60,400.10 = 12,186.64 : x
  2. Step 2: Convert to fraction form
    40,266.40/60,400.10 = 12,186.64/x
  3. Step 3: Cross multiply
    40,266.40x = 60,400.10 × 12,186.64
  4. Step 4: Simplify right side
    40,266.40x = 736,074,274.66
  5. Step 5: Solve for x
    x = 736,074,274.66/40,266.40
  6. Step 6: Final answer
    x = 18,280.11

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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.