Home / 15,637.96-23,443.98-5,775.40

Finding the Fourth Proportional to 15,637.96, 23,443.98 and 5,775.40

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Solution

The fourth proportional to 15,637.96, 23,443.98 and 5,775.40 is: 8,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.96 : 23,443.98 = 5,775.40 : x
  2. Step 2: Convert to fraction form
    15,637.96/23,443.98 = 5,775.40/x
  3. Step 3: Cross multiply
    15,637.96x = 23,443.98 × 5,775.40
  4. Step 4: Simplify right side
    15,637.96x = 135,398,362.09
  5. Step 5: Solve for x
    x = 135,398,362.09/15,637.96
  6. Step 6: Final answer
    x = 8,658.31

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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.