Home / 14,740.64-20,335.29-9,440.81

Finding the Fourth Proportional to 14,740.64, 20,335.29 and 9,440.81

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Solution

The fourth proportional to 14,740.64, 20,335.29 and 9,440.81 is: 13,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.64 : 20,335.29 = 9,440.81 : x
  2. Step 2: Convert to fraction form
    14,740.64/20,335.29 = 9,440.81/x
  3. Step 3: Cross multiply
    14,740.64x = 20,335.29 × 9,440.81
  4. Step 4: Simplify right side
    14,740.64x = 191,981,507.51
  5. Step 5: Solve for x
    x = 191,981,507.51/14,740.64
  6. Step 6: Final answer
    x = 13,023.96

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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.