Home / 10,626.20-15,943.24-4,386.76

Finding the Fourth Proportional to 10,626.20, 15,943.24 and 4,386.76

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Solution

The fourth proportional to 10,626.20, 15,943.24 and 4,386.76 is: 6,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.20 : 15,943.24 = 4,386.76 : x
  2. Step 2: Convert to fraction form
    10,626.20/15,943.24 = 4,386.76/x
  3. Step 3: Cross multiply
    10,626.20x = 15,943.24 × 4,386.76
  4. Step 4: Simplify right side
    10,626.20x = 69,939,167.50
  5. Step 5: Solve for x
    x = 69,939,167.50/10,626.20
  6. Step 6: Final answer
    x = 6,581.77

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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.