Home / 13,514.40-20,271.60-9,359.10

Finding the Fourth Proportional to 13,514.40, 20,271.60 and 9,359.10

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Solution

The fourth proportional to 13,514.40, 20,271.60 and 9,359.10 is: 14,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.40 : 20,271.60 = 9,359.10 : x
  2. Step 2: Convert to fraction form
    13,514.40/20,271.60 = 9,359.10/x
  3. Step 3: Cross multiply
    13,514.40x = 20,271.60 × 9,359.10
  4. Step 4: Simplify right side
    13,514.40x = 189,723,931.56
  5. Step 5: Solve for x
    x = 189,723,931.56/13,514.40
  6. Step 6: Final answer
    x = 14,038.65

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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.