Home / 9,970.28-13,758.36-5,989.04

Finding the Fourth Proportional to 9,970.28, 13,758.36 and 5,989.04

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Solution

The fourth proportional to 9,970.28, 13,758.36 and 5,989.04 is: 8,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.28 : 13,758.36 = 5,989.04 : x
  2. Step 2: Convert to fraction form
    9,970.28/13,758.36 = 5,989.04/x
  3. Step 3: Cross multiply
    9,970.28x = 13,758.36 × 5,989.04
  4. Step 4: Simplify right side
    9,970.28x = 82,399,368.37
  5. Step 5: Solve for x
    x = 82,399,368.37/9,970.28
  6. Step 6: Final answer
    x = 8,264.50

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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.