Home / 19,317.32-28,980.32-10,432.46

Finding the Fourth Proportional to 19,317.32, 28,980.32 and 10,432.46

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Solution

The fourth proportional to 19,317.32, 28,980.32 and 10,432.46 is: 15,651.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.32 : 28,980.32 = 10,432.46 : x
  2. Step 2: Convert to fraction form
    19,317.32/28,980.32 = 10,432.46/x
  3. Step 3: Cross multiply
    19,317.32x = 28,980.32 × 10,432.46
  4. Step 4: Simplify right side
    19,317.32x = 302,335,832.12
  5. Step 5: Solve for x
    x = 302,335,832.12/19,317.32
  6. Step 6: Final answer
    x = 15,651.03

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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.