Home / 12,214.10-18,357.60-10,610.30

Finding the Fourth Proportional to 12,214.10, 18,357.60 and 10,610.30

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Solution

The fourth proportional to 12,214.10, 18,357.60 and 10,610.30 is: 15,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.10 : 18,357.60 = 10,610.30 : x
  2. Step 2: Convert to fraction form
    12,214.10/18,357.60 = 10,610.30/x
  3. Step 3: Cross multiply
    12,214.10x = 18,357.60 × 10,610.30
  4. Step 4: Simplify right side
    12,214.10x = 194,779,643.28
  5. Step 5: Solve for x
    x = 194,779,643.28/12,214.10
  6. Step 6: Final answer
    x = 15,947.11

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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.