Home / 15,574.60-23,365.62-5,186.44

Finding the Fourth Proportional to 15,574.60, 23,365.62 and 5,186.44

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Solution

The fourth proportional to 15,574.60, 23,365.62 and 5,186.44 is: 7,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.60 : 23,365.62 = 5,186.44 : x
  2. Step 2: Convert to fraction form
    15,574.60/23,365.62 = 5,186.44/x
  3. Step 3: Cross multiply
    15,574.60x = 23,365.62 × 5,186.44
  4. Step 4: Simplify right side
    15,574.60x = 121,184,386.19
  5. Step 5: Solve for x
    x = 121,184,386.19/15,574.60
  6. Step 6: Final answer
    x = 7,780.90

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1.5x scale

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.