Home / 10,903.20-16,270.95-10,840.83

Finding the Fourth Proportional to 10,903.20, 16,270.95 and 10,840.83

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Solution

The fourth proportional to 10,903.20, 16,270.95 and 10,840.83 is: 16,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.20 : 16,270.95 = 10,840.83 : x
  2. Step 2: Convert to fraction form
    10,903.20/16,270.95 = 10,840.83/x
  3. Step 3: Cross multiply
    10,903.20x = 16,270.95 × 10,840.83
  4. Step 4: Simplify right side
    10,903.20x = 176,390,602.89
  5. Step 5: Solve for x
    x = 176,390,602.89/10,903.20
  6. Step 6: Final answer
    x = 16,177.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.