Home / 13,565.04-20,347.60-4,795.20

Finding the Fourth Proportional to 13,565.04, 20,347.60 and 4,795.20

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Solution

The fourth proportional to 13,565.04, 20,347.60 and 4,795.20 is: 7,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.04 : 20,347.60 = 4,795.20 : x
  2. Step 2: Convert to fraction form
    13,565.04/20,347.60 = 4,795.20/x
  3. Step 3: Cross multiply
    13,565.04x = 20,347.60 × 4,795.20
  4. Step 4: Simplify right side
    13,565.04x = 97,570,811.52
  5. Step 5: Solve for x
    x = 97,570,811.52/13,565.04
  6. Step 6: Final answer
    x = 7,192.81

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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.