Home / 10,902.48-15,051.02-6,427.68

Finding the Fourth Proportional to 10,902.48, 15,051.02 and 6,427.68

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Solution

The fourth proportional to 10,902.48, 15,051.02 and 6,427.68 is: 8,873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.48 : 15,051.02 = 6,427.68 : x
  2. Step 2: Convert to fraction form
    10,902.48/15,051.02 = 6,427.68/x
  3. Step 3: Cross multiply
    10,902.48x = 15,051.02 × 6,427.68
  4. Step 4: Simplify right side
    10,902.48x = 96,743,140.23
  5. Step 5: Solve for x
    x = 96,743,140.23/10,902.48
  6. Step 6: Final answer
    x = 8,873.50

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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.