Home / 14,430.64-19,912.08-9,132.70

Finding the Fourth Proportional to 14,430.64, 19,912.08 and 9,132.70

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Solution

The fourth proportional to 14,430.64, 19,912.08 and 9,132.70 is: 12,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.64 : 19,912.08 = 9,132.70 : x
  2. Step 2: Convert to fraction form
    14,430.64/19,912.08 = 9,132.70/x
  3. Step 3: Cross multiply
    14,430.64x = 19,912.08 × 9,132.70
  4. Step 4: Simplify right side
    14,430.64x = 181,851,053.02
  5. Step 5: Solve for x
    x = 181,851,053.02/14,430.64
  6. Step 6: Final answer
    x = 12,601.73

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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.