Home / 15,434.40-23,137.74-5,571.36

Finding the Fourth Proportional to 15,434.40, 23,137.74 and 5,571.36

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Solution

The fourth proportional to 15,434.40, 23,137.74 and 5,571.36 is: 8,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.40 : 23,137.74 = 5,571.36 : x
  2. Step 2: Convert to fraction form
    15,434.40/23,137.74 = 5,571.36/x
  3. Step 3: Cross multiply
    15,434.40x = 23,137.74 × 5,571.36
  4. Step 4: Simplify right side
    15,434.40x = 128,908,679.13
  5. Step 5: Solve for x
    x = 128,908,679.13/15,434.40
  6. Step 6: Final answer
    x = 8,352.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.