Home / 10,145.58-15,220.02-4,302.24

Finding the Fourth Proportional to 10,145.58, 15,220.02 and 4,302.24

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Solution

The fourth proportional to 10,145.58, 15,220.02 and 4,302.24 is: 6,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.58 : 15,220.02 = 4,302.24 : x
  2. Step 2: Convert to fraction form
    10,145.58/15,220.02 = 4,302.24/x
  3. Step 3: Cross multiply
    10,145.58x = 15,220.02 × 4,302.24
  4. Step 4: Simplify right side
    10,145.58x = 65,480,178.84
  5. Step 5: Solve for x
    x = 65,480,178.84/10,145.58
  6. Step 6: Final answer
    x = 6,454.06

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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.