Home / 10,275.14-15,411.29-4,430.99

Finding the Fourth Proportional to 10,275.14, 15,411.29 and 4,430.99

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Solution

The fourth proportional to 10,275.14, 15,411.29 and 4,430.99 is: 6,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.14 : 15,411.29 = 4,430.99 : x
  2. Step 2: Convert to fraction form
    10,275.14/15,411.29 = 4,430.99/x
  3. Step 3: Cross multiply
    10,275.14x = 15,411.29 × 4,430.99
  4. Step 4: Simplify right side
    10,275.14x = 68,287,271.88
  5. Step 5: Solve for x
    x = 68,287,271.88/10,275.14
  6. Step 6: Final answer
    x = 6,645.87

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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.