Home / 10,398.06-14,347.80-6,205.50

Finding the Fourth Proportional to 10,398.06, 14,347.80 and 6,205.50

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Solution

The fourth proportional to 10,398.06, 14,347.80 and 6,205.50 is: 8,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.06 : 14,347.80 = 6,205.50 : x
  2. Step 2: Convert to fraction form
    10,398.06/14,347.80 = 6,205.50/x
  3. Step 3: Cross multiply
    10,398.06x = 14,347.80 × 6,205.50
  4. Step 4: Simplify right side
    10,398.06x = 89,035,272.90
  5. Step 5: Solve for x
    x = 89,035,272.90/10,398.06
  6. Step 6: Final answer
    x = 8,562.68

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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.