Home / 13,206.52-18,225.24-7,237.84

Finding the Fourth Proportional to 13,206.52, 18,225.24 and 7,237.84

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Solution

The fourth proportional to 13,206.52, 18,225.24 and 7,237.84 is: 9,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.52 : 18,225.24 = 7,237.84 : x
  2. Step 2: Convert to fraction form
    13,206.52/18,225.24 = 7,237.84/x
  3. Step 3: Cross multiply
    13,206.52x = 18,225.24 × 7,237.84
  4. Step 4: Simplify right side
    13,206.52x = 131,911,371.08
  5. Step 5: Solve for x
    x = 131,911,371.08/13,206.52
  6. Step 6: Final answer
    x = 9,988.35

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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.