Home / 15,423.04-21,282.51-9,048.97

Finding the Fourth Proportional to 15,423.04, 21,282.51 and 9,048.97

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Solution

The fourth proportional to 15,423.04, 21,282.51 and 9,048.97 is: 12,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.04 : 21,282.51 = 9,048.97 : x
  2. Step 2: Convert to fraction form
    15,423.04/21,282.51 = 9,048.97/x
  3. Step 3: Cross multiply
    15,423.04x = 21,282.51 × 9,048.97
  4. Step 4: Simplify right side
    15,423.04x = 192,584,688.10
  5. Step 5: Solve for x
    x = 192,584,688.10/15,423.04
  6. Step 6: Final answer
    x = 12,486.82

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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.