Home / 15,461.60-23,192.40-10,212.80

Finding the Fourth Proportional to 15,461.60, 23,192.40 and 10,212.80

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Solution

The fourth proportional to 15,461.60, 23,192.40 and 10,212.80 is: 15,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.60 : 23,192.40 = 10,212.80 : x
  2. Step 2: Convert to fraction form
    15,461.60/23,192.40 = 10,212.80/x
  3. Step 3: Cross multiply
    15,461.60x = 23,192.40 × 10,212.80
  4. Step 4: Simplify right side
    15,461.60x = 236,859,342.72
  5. Step 5: Solve for x
    x = 236,859,342.72/15,461.60
  6. Step 6: Final answer
    x = 15,319.20

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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.