Home / 10,703.28-14,776.98-6,983.76

Finding the Fourth Proportional to 10,703.28, 14,776.98 and 6,983.76

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Solution

The fourth proportional to 10,703.28, 14,776.98 and 6,983.76 is: 9,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.28 : 14,776.98 = 6,983.76 : x
  2. Step 2: Convert to fraction form
    10,703.28/14,776.98 = 6,983.76/x
  3. Step 3: Cross multiply
    10,703.28x = 14,776.98 × 6,983.76
  4. Step 4: Simplify right side
    10,703.28x = 103,198,881.84
  5. Step 5: Solve for x
    x = 103,198,881.84/10,703.28
  6. Step 6: Final answer
    x = 9,641.80

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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.