Home / 10,547.19-15,820.93-2,756

Finding the Fourth Proportional to 10,547.19, 15,820.93 and 2,756

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Solution

The fourth proportional to 10,547.19, 15,820.93 and 2,756 is: 4,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.19 : 15,820.93 = 2,756 : x
  2. Step 2: Convert to fraction form
    10,547.19/15,820.93 = 2,756/x
  3. Step 3: Cross multiply
    10,547.19x = 15,820.93 × 2,756
  4. Step 4: Simplify right side
    10,547.19x = 43,602,483.08
  5. Step 5: Solve for x
    x = 43,602,483.08/10,547.19
  6. Step 6: Final answer
    x = 4,134.04

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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.