Home / 9,916.50-14,875.56-2,991

Finding the Fourth Proportional to 9,916.50, 14,875.56 and 2,991

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Solution

The fourth proportional to 9,916.50, 14,875.56 and 2,991 is: 4,486.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.50 : 14,875.56 = 2,991 : x
  2. Step 2: Convert to fraction form
    9,916.50/14,875.56 = 2,991/x
  3. Step 3: Cross multiply
    9,916.50x = 14,875.56 × 2,991
  4. Step 4: Simplify right side
    9,916.50x = 44,492,799.96
  5. Step 5: Solve for x
    x = 44,492,799.96/9,916.50
  6. Step 6: Final answer
    x = 4,486.74

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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.