Home / 10,348.13-14,280.70-6,371.50

Finding the Fourth Proportional to 10,348.13, 14,280.70 and 6,371.50

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Solution

The fourth proportional to 10,348.13, 14,280.70 and 6,371.50 is: 8,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.13 : 14,280.70 = 6,371.50 : x
  2. Step 2: Convert to fraction form
    10,348.13/14,280.70 = 6,371.50/x
  3. Step 3: Cross multiply
    10,348.13x = 14,280.70 × 6,371.50
  4. Step 4: Simplify right side
    10,348.13x = 90,989,480.05
  5. Step 5: Solve for x
    x = 90,989,480.05/10,348.13
  6. Step 6: Final answer
    x = 8,792.84

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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.