Home / 21,398.53-32,085.45-6,603.49

Finding the Fourth Proportional to 21,398.53, 32,085.45 and 6,603.49

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Solution

The fourth proportional to 21,398.53, 32,085.45 and 6,603.49 is: 9,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,398.53 : 32,085.45 = 6,603.49 : x
  2. Step 2: Convert to fraction form
    21,398.53/32,085.45 = 6,603.49/x
  3. Step 3: Cross multiply
    21,398.53x = 32,085.45 × 6,603.49
  4. Step 4: Simplify right side
    21,398.53x = 211,875,948.22
  5. Step 5: Solve for x
    x = 211,875,948.22/21,398.53
  6. Step 6: Final answer
    x = 9,901.43

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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.