Home / 13,615.68-20,423.70-6,594.24

Finding the Fourth Proportional to 13,615.68, 20,423.70 and 6,594.24

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Solution

The fourth proportional to 13,615.68, 20,423.70 and 6,594.24 is: 9,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615.68 : 20,423.70 = 6,594.24 : x
  2. Step 2: Convert to fraction form
    13,615.68/20,423.70 = 6,594.24/x
  3. Step 3: Cross multiply
    13,615.68x = 20,423.70 × 6,594.24
  4. Step 4: Simplify right side
    13,615.68x = 134,678,779.49
  5. Step 5: Solve for x
    x = 134,678,779.49/13,615.68
  6. Step 6: Final answer
    x = 9,891.45

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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.