Home / 15,756.12-23,643.37-5,902.32

Finding the Fourth Proportional to 15,756.12, 23,643.37 and 5,902.32

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Solution

The fourth proportional to 15,756.12, 23,643.37 and 5,902.32 is: 8,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.12 : 23,643.37 = 5,902.32 : x
  2. Step 2: Convert to fraction form
    15,756.12/23,643.37 = 5,902.32/x
  3. Step 3: Cross multiply
    15,756.12x = 23,643.37 × 5,902.32
  4. Step 4: Simplify right side
    15,756.12x = 139,550,720.86
  5. Step 5: Solve for x
    x = 139,550,720.86/15,756.12
  6. Step 6: Final answer
    x = 8,856.92

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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.