Home / 14,398.28-21,603.40-6,898.06

Finding the Fourth Proportional to 14,398.28, 21,603.40 and 6,898.06

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Solution

The fourth proportional to 14,398.28, 21,603.40 and 6,898.06 is: 10,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.28 : 21,603.40 = 6,898.06 : x
  2. Step 2: Convert to fraction form
    14,398.28/21,603.40 = 6,898.06/x
  3. Step 3: Cross multiply
    14,398.28x = 21,603.40 × 6,898.06
  4. Step 4: Simplify right side
    14,398.28x = 149,021,549.40
  5. Step 5: Solve for x
    x = 149,021,549.40/14,398.28
  6. Step 6: Final answer
    x = 10,349.95

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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.