Home / 15,554.04-21,463.80-8,838.78

Finding the Fourth Proportional to 15,554.04, 21,463.80 and 8,838.78

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Solution

The fourth proportional to 15,554.04, 21,463.80 and 8,838.78 is: 12,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.04 : 21,463.80 = 8,838.78 : x
  2. Step 2: Convert to fraction form
    15,554.04/21,463.80 = 8,838.78/x
  3. Step 3: Cross multiply
    15,554.04x = 21,463.80 × 8,838.78
  4. Step 4: Simplify right side
    15,554.04x = 189,713,806.16
  5. Step 5: Solve for x
    x = 189,713,806.16/15,554.04
  6. Step 6: Final answer
    x = 12,197.08

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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.