Home / 13,244.01-19,870.86-12,461.55

Finding the Fourth Proportional to 13,244.01, 19,870.86 and 12,461.55

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Solution

The fourth proportional to 13,244.01, 19,870.86 and 12,461.55 is: 18,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.01 : 19,870.86 = 12,461.55 : x
  2. Step 2: Convert to fraction form
    13,244.01/19,870.86 = 12,461.55/x
  3. Step 3: Cross multiply
    13,244.01x = 19,870.86 × 12,461.55
  4. Step 4: Simplify right side
    13,244.01x = 247,621,715.43
  5. Step 5: Solve for x
    x = 247,621,715.43/13,244.01
  6. Step 6: Final answer
    x = 18,696.88

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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.