Home / 13,565.48-18,721.54-7,597.04

Finding the Fourth Proportional to 13,565.48, 18,721.54 and 7,597.04

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Solution

The fourth proportional to 13,565.48, 18,721.54 and 7,597.04 is: 10,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.48 : 18,721.54 = 7,597.04 : x
  2. Step 2: Convert to fraction form
    13,565.48/18,721.54 = 7,597.04/x
  3. Step 3: Cross multiply
    13,565.48x = 18,721.54 × 7,597.04
  4. Step 4: Simplify right side
    13,565.48x = 142,228,288.24
  5. Step 5: Solve for x
    x = 142,228,288.24/13,565.48
  6. Step 6: Final answer
    x = 10,484.57

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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.