Home / 11,657.50-17,488.18-4,637.58

Finding the Fourth Proportional to 11,657.50, 17,488.18 and 4,637.58

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Solution

The fourth proportional to 11,657.50, 17,488.18 and 4,637.58 is: 6,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.50 : 17,488.18 = 4,637.58 : x
  2. Step 2: Convert to fraction form
    11,657.50/17,488.18 = 4,637.58/x
  3. Step 3: Cross multiply
    11,657.50x = 17,488.18 × 4,637.58
  4. Step 4: Simplify right side
    11,657.50x = 81,102,845.40
  5. Step 5: Solve for x
    x = 81,102,845.40/11,657.50
  6. Step 6: Final answer
    x = 6,957.14

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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.