Home / 14,870.48-20,515.22-10,146.56

Finding the Fourth Proportional to 14,870.48, 20,515.22 and 10,146.56

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Solution

The fourth proportional to 14,870.48, 20,515.22 and 10,146.56 is: 13,998.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.48 : 20,515.22 = 10,146.56 : x
  2. Step 2: Convert to fraction form
    14,870.48/20,515.22 = 10,146.56/x
  3. Step 3: Cross multiply
    14,870.48x = 20,515.22 × 10,146.56
  4. Step 4: Simplify right side
    14,870.48x = 208,158,757.33
  5. Step 5: Solve for x
    x = 208,158,757.33/14,870.48
  6. Step 6: Final answer
    x = 13,998.12

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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.