Home / 18,947.32-26,154.48-14,903.68

Finding the Fourth Proportional to 18,947.32, 26,154.48 and 14,903.68

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Solution

The fourth proportional to 18,947.32, 26,154.48 and 14,903.68 is: 20,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.32 : 26,154.48 = 14,903.68 : x
  2. Step 2: Convert to fraction form
    18,947.32/26,154.48 = 14,903.68/x
  3. Step 3: Cross multiply
    18,947.32x = 26,154.48 × 14,903.68
  4. Step 4: Simplify right side
    18,947.32x = 389,798,000.49
  5. Step 5: Solve for x
    x = 389,798,000.49/18,947.32
  6. Step 6: Final answer
    x = 20,572.72

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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.