Home / 21,444.48-32,166.72-6,657.12

Finding the Fourth Proportional to 21,444.48, 32,166.72 and 6,657.12

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Solution

The fourth proportional to 21,444.48, 32,166.72 and 6,657.12 is: 9,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.48 : 32,166.72 = 6,657.12 : x
  2. Step 2: Convert to fraction form
    21,444.48/32,166.72 = 6,657.12/x
  3. Step 3: Cross multiply
    21,444.48x = 32,166.72 × 6,657.12
  4. Step 4: Simplify right side
    21,444.48x = 214,137,715.05
  5. Step 5: Solve for x
    x = 214,137,715.05/21,444.48
  6. Step 6: Final answer
    x = 9,985.68

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1.5x scale

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.