Home / 15,363.95-23,045.85-8,785.49

Finding the Fourth Proportional to 15,363.95, 23,045.85 and 8,785.49

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Solution

The fourth proportional to 15,363.95, 23,045.85 and 8,785.49 is: 13,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.95 : 23,045.85 = 8,785.49 : x
  2. Step 2: Convert to fraction form
    15,363.95/23,045.85 = 8,785.49/x
  3. Step 3: Cross multiply
    15,363.95x = 23,045.85 × 8,785.49
  4. Step 4: Simplify right side
    15,363.95x = 202,468,969.49
  5. Step 5: Solve for x
    x = 202,468,969.49/15,363.95
  6. Step 6: Final answer
    x = 13,178.19

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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.