Home / 23,307.72-34,961.94-12,985.08

Finding the Fourth Proportional to 23,307.72, 34,961.94 and 12,985.08

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Solution

The fourth proportional to 23,307.72, 34,961.94 and 12,985.08 is: 19,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,307.72 : 34,961.94 = 12,985.08 : x
  2. Step 2: Convert to fraction form
    23,307.72/34,961.94 = 12,985.08/x
  3. Step 3: Cross multiply
    23,307.72x = 34,961.94 × 12,985.08
  4. Step 4: Simplify right side
    23,307.72x = 453,983,587.86
  5. Step 5: Solve for x
    x = 453,983,587.86/23,307.72
  6. Step 6: Final answer
    x = 19,477.82

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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.