Home / 10,364.95-15,549.45-4,123.90

Finding the Fourth Proportional to 10,364.95, 15,549.45 and 4,123.90

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Solution

The fourth proportional to 10,364.95, 15,549.45 and 4,123.90 is: 6,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.95 : 15,549.45 = 4,123.90 : x
  2. Step 2: Convert to fraction form
    10,364.95/15,549.45 = 4,123.90/x
  3. Step 3: Cross multiply
    10,364.95x = 15,549.45 × 4,123.90
  4. Step 4: Simplify right side
    10,364.95x = 64,124,376.86
  5. Step 5: Solve for x
    x = 64,124,376.86/10,364.95
  6. Step 6: Final answer
    x = 6,186.66

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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.