Home / 13,565.83-18,722.45-7,596.35

Finding the Fourth Proportional to 13,565.83, 18,722.45 and 7,596.35

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Solution

The fourth proportional to 13,565.83, 18,722.45 and 7,596.35 is: 10,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.83 : 18,722.45 = 7,596.35 : x
  2. Step 2: Convert to fraction form
    13,565.83/18,722.45 = 7,596.35/x
  3. Step 3: Cross multiply
    13,565.83x = 18,722.45 × 7,596.35
  4. Step 4: Simplify right side
    13,565.83x = 142,222,189.45
  5. Step 5: Solve for x
    x = 142,222,189.45/13,565.83
  6. Step 6: Final answer
    x = 10,483.85

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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.