Home / 18,342.07-25,312.16-10,788.71

Finding the Fourth Proportional to 18,342.07, 25,312.16 and 10,788.71

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Solution

The fourth proportional to 18,342.07, 25,312.16 and 10,788.71 is: 14,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.07 : 25,312.16 = 10,788.71 : x
  2. Step 2: Convert to fraction form
    18,342.07/25,312.16 = 10,788.71/x
  3. Step 3: Cross multiply
    18,342.07x = 25,312.16 × 10,788.71
  4. Step 4: Simplify right side
    18,342.07x = 273,085,454.12
  5. Step 5: Solve for x
    x = 273,085,454.12/18,342.07
  6. Step 6: Final answer
    x = 14,888.48

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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.