Home / 10,547.52-15,820.71-5,353.26

Finding the Fourth Proportional to 10,547.52, 15,820.71 and 5,353.26

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Solution

The fourth proportional to 10,547.52, 15,820.71 and 5,353.26 is: 8,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.52 : 15,820.71 = 5,353.26 : x
  2. Step 2: Convert to fraction form
    10,547.52/15,820.71 = 5,353.26/x
  3. Step 3: Cross multiply
    10,547.52x = 15,820.71 × 5,353.26
  4. Step 4: Simplify right side
    10,547.52x = 84,692,374.01
  5. Step 5: Solve for x
    x = 84,692,374.01/10,547.52
  6. Step 6: Final answer
    x = 8,029.60

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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.