Home / 9,918.18-14,878.65-2,898.70

Finding the Fourth Proportional to 9,918.18, 14,878.65 and 2,898.70

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Solution

The fourth proportional to 9,918.18, 14,878.65 and 2,898.70 is: 4,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.18 : 14,878.65 = 2,898.70 : x
  2. Step 2: Convert to fraction form
    9,918.18/14,878.65 = 2,898.70/x
  3. Step 3: Cross multiply
    9,918.18x = 14,878.65 × 2,898.70
  4. Step 4: Simplify right side
    9,918.18x = 43,128,742.76
  5. Step 5: Solve for x
    x = 43,128,742.76/9,918.18
  6. Step 6: Final answer
    x = 4,348.46

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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.