Home / 15,645.05-23,460.55-9,322.91

Finding the Fourth Proportional to 15,645.05, 23,460.55 and 9,322.91

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Solution

The fourth proportional to 15,645.05, 23,460.55 and 9,322.91 is: 13,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.05 : 23,460.55 = 9,322.91 : x
  2. Step 2: Convert to fraction form
    15,645.05/23,460.55 = 9,322.91/x
  3. Step 3: Cross multiply
    15,645.05x = 23,460.55 × 9,322.91
  4. Step 4: Simplify right side
    15,645.05x = 218,720,478.90
  5. Step 5: Solve for x
    x = 218,720,478.90/15,645.05
  6. Step 6: Final answer
    x = 13,980.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.