Home / 15,580.01-23,369.86-12,445.31

Finding the Fourth Proportional to 15,580.01, 23,369.86 and 12,445.31

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Solution

The fourth proportional to 15,580.01, 23,369.86 and 12,445.31 is: 18,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580.01 : 23,369.86 = 12,445.31 : x
  2. Step 2: Convert to fraction form
    15,580.01/23,369.86 = 12,445.31/x
  3. Step 3: Cross multiply
    15,580.01x = 23,369.86 × 12,445.31
  4. Step 4: Simplify right side
    15,580.01x = 290,844,973.28
  5. Step 5: Solve for x
    x = 290,844,973.28/15,580.01
  6. Step 6: Final answer
    x = 18,667.84

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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.