Home / 10,505.40-14,491.02-6,253.62

Finding the Fourth Proportional to 10,505.40, 14,491.02 and 6,253.62

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Solution

The fourth proportional to 10,505.40, 14,491.02 and 6,253.62 is: 8,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.40 : 14,491.02 = 6,253.62 : x
  2. Step 2: Convert to fraction form
    10,505.40/14,491.02 = 6,253.62/x
  3. Step 3: Cross multiply
    10,505.40x = 14,491.02 × 6,253.62
  4. Step 4: Simplify right side
    10,505.40x = 90,621,332.49
  5. Step 5: Solve for x
    x = 90,621,332.49/10,505.40
  6. Step 6: Final answer
    x = 8,626.17

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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.