Home / 9,985.17-14,977.76-3,411.42

Finding the Fourth Proportional to 9,985.17, 14,977.76 and 3,411.42

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Solution

The fourth proportional to 9,985.17, 14,977.76 and 3,411.42 is: 5,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.17 : 14,977.76 = 3,411.42 : x
  2. Step 2: Convert to fraction form
    9,985.17/14,977.76 = 3,411.42/x
  3. Step 3: Cross multiply
    9,985.17x = 14,977.76 × 3,411.42
  4. Step 4: Simplify right side
    9,985.17x = 51,095,430.02
  5. Step 5: Solve for x
    x = 51,095,430.02/9,985.17
  6. Step 6: Final answer
    x = 5,117.13

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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.