Home / 15,390.46-23,069.58-8,718.63

Finding the Fourth Proportional to 15,390.46, 23,069.58 and 8,718.63

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Solution

The fourth proportional to 15,390.46, 23,069.58 and 8,718.63 is: 13,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.46 : 23,069.58 = 8,718.63 : x
  2. Step 2: Convert to fraction form
    15,390.46/23,069.58 = 8,718.63/x
  3. Step 3: Cross multiply
    15,390.46x = 23,069.58 × 8,718.63
  4. Step 4: Simplify right side
    15,390.46x = 201,135,132.28
  5. Step 5: Solve for x
    x = 201,135,132.28/15,390.46
  6. Step 6: Final answer
    x = 13,068.82

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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.