Home / 15,242.04-21,024.77-9,277.88

Finding the Fourth Proportional to 15,242.04, 21,024.77 and 9,277.88

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Solution

The fourth proportional to 15,242.04, 21,024.77 and 9,277.88 is: 12,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.04 : 21,024.77 = 9,277.88 : x
  2. Step 2: Convert to fraction form
    15,242.04/21,024.77 = 9,277.88/x
  3. Step 3: Cross multiply
    15,242.04x = 21,024.77 × 9,277.88
  4. Step 4: Simplify right side
    15,242.04x = 195,065,141.57
  5. Step 5: Solve for x
    x = 195,065,141.57/15,242.04
  6. Step 6: Final answer
    x = 12,797.84

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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.