Home / 13,595.04-20,390.76-6,191.52

Finding the Fourth Proportional to 13,595.04, 20,390.76 and 6,191.52

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Solution

The fourth proportional to 13,595.04, 20,390.76 and 6,191.52 is: 9,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.04 : 20,390.76 = 6,191.52 : x
  2. Step 2: Convert to fraction form
    13,595.04/20,390.76 = 6,191.52/x
  3. Step 3: Cross multiply
    13,595.04x = 20,390.76 × 6,191.52
  4. Step 4: Simplify right side
    13,595.04x = 126,249,798.36
  5. Step 5: Solve for x
    x = 126,249,798.36/13,595.04
  6. Step 6: Final answer
    x = 9,286.46

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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.