Home / 23,145.54-34,718.35-8,364.89

Finding the Fourth Proportional to 23,145.54, 34,718.35 and 8,364.89

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Solution

The fourth proportional to 23,145.54, 34,718.35 and 8,364.89 is: 12,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.54 : 34,718.35 = 8,364.89 : x
  2. Step 2: Convert to fraction form
    23,145.54/34,718.35 = 8,364.89/x
  3. Step 3: Cross multiply
    23,145.54x = 34,718.35 × 8,364.89
  4. Step 4: Simplify right side
    23,145.54x = 290,415,178.73
  5. Step 5: Solve for x
    x = 290,415,178.73/23,145.54
  6. Step 6: Final answer
    x = 12,547.35

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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.