Home / 13,289.52-18,357.05-9,926.50

Finding the Fourth Proportional to 13,289.52, 18,357.05 and 9,926.50

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Solution

The fourth proportional to 13,289.52, 18,357.05 and 9,926.50 is: 13,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.52 : 18,357.05 = 9,926.50 : x
  2. Step 2: Convert to fraction form
    13,289.52/18,357.05 = 9,926.50/x
  3. Step 3: Cross multiply
    13,289.52x = 18,357.05 × 9,926.50
  4. Step 4: Simplify right side
    13,289.52x = 182,221,256.83
  5. Step 5: Solve for x
    x = 182,221,256.83/13,289.52
  6. Step 6: Final answer
    x = 13,711.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.