Home / 16,140.96-22,275.44-9,426.72

Finding the Fourth Proportional to 16,140.96, 22,275.44 and 9,426.72

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Solution

The fourth proportional to 16,140.96, 22,275.44 and 9,426.72 is: 13,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.96 : 22,275.44 = 9,426.72 : x
  2. Step 2: Convert to fraction form
    16,140.96/22,275.44 = 9,426.72/x
  3. Step 3: Cross multiply
    16,140.96x = 22,275.44 × 9,426.72
  4. Step 4: Simplify right side
    16,140.96x = 209,984,335.76
  5. Step 5: Solve for x
    x = 209,984,335.76/16,140.96
  6. Step 6: Final answer
    x = 13,009.41

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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.