Home / 10,647.15-15,970.02-4,405.53

Finding the Fourth Proportional to 10,647.15, 15,970.02 and 4,405.53

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Solution

The fourth proportional to 10,647.15, 15,970.02 and 4,405.53 is: 6,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.15 : 15,970.02 = 4,405.53 : x
  2. Step 2: Convert to fraction form
    10,647.15/15,970.02 = 4,405.53/x
  3. Step 3: Cross multiply
    10,647.15x = 15,970.02 × 4,405.53
  4. Step 4: Simplify right side
    10,647.15x = 70,356,402.21
  5. Step 5: Solve for x
    x = 70,356,402.21/10,647.15
  6. Step 6: Final answer
    x = 6,608.00

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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.