Home / 15,507.07-23,246.75-5,639.40

Finding the Fourth Proportional to 15,507.07, 23,246.75 and 5,639.40

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Solution

The fourth proportional to 15,507.07, 23,246.75 and 5,639.40 is: 8,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507.07 : 23,246.75 = 5,639.40 : x
  2. Step 2: Convert to fraction form
    15,507.07/23,246.75 = 5,639.40/x
  3. Step 3: Cross multiply
    15,507.07x = 23,246.75 × 5,639.40
  4. Step 4: Simplify right side
    15,507.07x = 131,097,577.52
  5. Step 5: Solve for x
    x = 131,097,577.52/15,507.07
  6. Step 6: Final answer
    x = 8,454.05

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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.