Home / 10,398.40-14,360.27-6,623.25

Finding the Fourth Proportional to 10,398.40, 14,360.27 and 6,623.25

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Solution

The fourth proportional to 10,398.40, 14,360.27 and 6,623.25 is: 9,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.40 : 14,360.27 = 6,623.25 : x
  2. Step 2: Convert to fraction form
    10,398.40/14,360.27 = 6,623.25/x
  3. Step 3: Cross multiply
    10,398.40x = 14,360.27 × 6,623.25
  4. Step 4: Simplify right side
    10,398.40x = 95,111,658.28
  5. Step 5: Solve for x
    x = 95,111,658.28/10,398.40
  6. Step 6: Final answer
    x = 9,146.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.