Home / 15,980.48-22,042.77-10,602.80

Finding the Fourth Proportional to 15,980.48, 22,042.77 and 10,602.80

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Solution

The fourth proportional to 15,980.48, 22,042.77 and 10,602.80 is: 14,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.48 : 22,042.77 = 10,602.80 : x
  2. Step 2: Convert to fraction form
    15,980.48/22,042.77 = 10,602.80/x
  3. Step 3: Cross multiply
    15,980.48x = 22,042.77 × 10,602.80
  4. Step 4: Simplify right side
    15,980.48x = 233,715,081.76
  5. Step 5: Solve for x
    x = 233,715,081.76/15,980.48
  6. Step 6: Final answer
    x = 14,625.04

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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.