Home / 13,246.95-18,280.85-7,941.76

Finding the Fourth Proportional to 13,246.95, 18,280.85 and 7,941.76

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Solution

The fourth proportional to 13,246.95, 18,280.85 and 7,941.76 is: 10,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.95 : 18,280.85 = 7,941.76 : x
  2. Step 2: Convert to fraction form
    13,246.95/18,280.85 = 7,941.76/x
  3. Step 3: Cross multiply
    13,246.95x = 18,280.85 × 7,941.76
  4. Step 4: Simplify right side
    13,246.95x = 145,182,123.30
  5. Step 5: Solve for x
    x = 145,182,123.30/13,246.95
  6. Step 6: Final answer
    x = 10,959.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.