Home / 13,308.64-18,373.32-10,470.40

Finding the Fourth Proportional to 13,308.64, 18,373.32 and 10,470.40

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Solution

The fourth proportional to 13,308.64, 18,373.32 and 10,470.40 is: 14,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.64 : 18,373.32 = 10,470.40 : x
  2. Step 2: Convert to fraction form
    13,308.64/18,373.32 = 10,470.40/x
  3. Step 3: Cross multiply
    13,308.64x = 18,373.32 × 10,470.40
  4. Step 4: Simplify right side
    13,308.64x = 192,376,009.73
  5. Step 5: Solve for x
    x = 192,376,009.73/13,308.64
  6. Step 6: Final answer
    x = 14,454.97

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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.