Home / 10,554.42-15,785.10-9,392.70

Finding the Fourth Proportional to 10,554.42, 15,785.10 and 9,392.70

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Solution

The fourth proportional to 10,554.42, 15,785.10 and 9,392.70 is: 14,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.42 : 15,785.10 = 9,392.70 : x
  2. Step 2: Convert to fraction form
    10,554.42/15,785.10 = 9,392.70/x
  3. Step 3: Cross multiply
    10,554.42x = 15,785.10 × 9,392.70
  4. Step 4: Simplify right side
    10,554.42x = 148,264,708.77
  5. Step 5: Solve for x
    x = 148,264,708.77/10,554.42
  6. Step 6: Final answer
    x = 14,047.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.