Home / 15,364.30-21,191.42-10,585.84

Finding the Fourth Proportional to 15,364.30, 21,191.42 and 10,585.84

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Solution

The fourth proportional to 15,364.30, 21,191.42 and 10,585.84 is: 14,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.30 : 21,191.42 = 10,585.84 : x
  2. Step 2: Convert to fraction form
    15,364.30/21,191.42 = 10,585.84/x
  3. Step 3: Cross multiply
    15,364.30x = 21,191.42 × 10,585.84
  4. Step 4: Simplify right side
    15,364.30x = 224,328,981.49
  5. Step 5: Solve for x
    x = 224,328,981.49/15,364.30
  6. Step 6: Final answer
    x = 14,600.66

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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.