Home / 10,152.63-15,192.05-8,381.16

Finding the Fourth Proportional to 10,152.63, 15,192.05 and 8,381.16

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Solution

The fourth proportional to 10,152.63, 15,192.05 and 8,381.16 is: 12,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.63 : 15,192.05 = 8,381.16 : x
  2. Step 2: Convert to fraction form
    10,152.63/15,192.05 = 8,381.16/x
  3. Step 3: Cross multiply
    10,152.63x = 15,192.05 × 8,381.16
  4. Step 4: Simplify right side
    10,152.63x = 127,327,016.84
  5. Step 5: Solve for x
    x = 127,327,016.84/10,152.63
  6. Step 6: Final answer
    x = 12,541.28

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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.