Home / 14,430.66-21,589.05-10,930.76

Finding the Fourth Proportional to 14,430.66, 21,589.05 and 10,930.76

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Solution

The fourth proportional to 14,430.66, 21,589.05 and 10,930.76 is: 16,353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.66 : 21,589.05 = 10,930.76 : x
  2. Step 2: Convert to fraction form
    14,430.66/21,589.05 = 10,930.76/x
  3. Step 3: Cross multiply
    14,430.66x = 21,589.05 × 10,930.76
  4. Step 4: Simplify right side
    14,430.66x = 235,984,724.18
  5. Step 5: Solve for x
    x = 235,984,724.18/14,430.66
  6. Step 6: Final answer
    x = 16,353.01

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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.