Home / 21,387.96-32,085.02-6,598.12

Finding the Fourth Proportional to 21,387.96, 32,085.02 and 6,598.12

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Solution

The fourth proportional to 21,387.96, 32,085.02 and 6,598.12 is: 9,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387.96 : 32,085.02 = 6,598.12 : x
  2. Step 2: Convert to fraction form
    21,387.96/32,085.02 = 6,598.12/x
  3. Step 3: Cross multiply
    21,387.96x = 32,085.02 × 6,598.12
  4. Step 4: Simplify right side
    21,387.96x = 211,700,812.16
  5. Step 5: Solve for x
    x = 211,700,812.16/21,387.96
  6. Step 6: Final answer
    x = 9,898.13

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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.