Home / 15,412.32-23,117.04-6,645.60

Finding the Fourth Proportional to 15,412.32, 23,117.04 and 6,645.60

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Solution

The fourth proportional to 15,412.32, 23,117.04 and 6,645.60 is: 9,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.32 : 23,117.04 = 6,645.60 : x
  2. Step 2: Convert to fraction form
    15,412.32/23,117.04 = 6,645.60/x
  3. Step 3: Cross multiply
    15,412.32x = 23,117.04 × 6,645.60
  4. Step 4: Simplify right side
    15,412.32x = 153,626,601.02
  5. Step 5: Solve for x
    x = 153,626,601.02/15,412.32
  6. Step 6: Final answer
    x = 9,967.78

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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.