Home / 15,641.58-23,445.90-9,718.50

Finding the Fourth Proportional to 15,641.58, 23,445.90 and 9,718.50

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Solution

The fourth proportional to 15,641.58, 23,445.90 and 9,718.50 is: 14,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.58 : 23,445.90 = 9,718.50 : x
  2. Step 2: Convert to fraction form
    15,641.58/23,445.90 = 9,718.50/x
  3. Step 3: Cross multiply
    15,641.58x = 23,445.90 × 9,718.50
  4. Step 4: Simplify right side
    15,641.58x = 227,858,979.15
  5. Step 5: Solve for x
    x = 227,858,979.15/15,641.58
  6. Step 6: Final answer
    x = 14,567.52

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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.