Home / 10,957.02-15,119.85-6,240.36

Finding the Fourth Proportional to 10,957.02, 15,119.85 and 6,240.36

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Solution

The fourth proportional to 10,957.02, 15,119.85 and 6,240.36 is: 8,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.02 : 15,119.85 = 6,240.36 : x
  2. Step 2: Convert to fraction form
    10,957.02/15,119.85 = 6,240.36/x
  3. Step 3: Cross multiply
    10,957.02x = 15,119.85 × 6,240.36
  4. Step 4: Simplify right side
    10,957.02x = 94,353,307.15
  5. Step 5: Solve for x
    x = 94,353,307.15/10,957.02
  6. Step 6: Final answer
    x = 8,611.22

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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.