Home / 10,712.16-16,068.15-2,920.98

Finding the Fourth Proportional to 10,712.16, 16,068.15 and 2,920.98

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Solution

The fourth proportional to 10,712.16, 16,068.15 and 2,920.98 is: 4,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.16 : 16,068.15 = 2,920.98 : x
  2. Step 2: Convert to fraction form
    10,712.16/16,068.15 = 2,920.98/x
  3. Step 3: Cross multiply
    10,712.16x = 16,068.15 × 2,920.98
  4. Step 4: Simplify right side
    10,712.16x = 46,934,744.79
  5. Step 5: Solve for x
    x = 46,934,744.79/10,712.16
  6. Step 6: Final answer
    x = 4,381.45

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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.