Home / 10,534.02-15,800.46-5,339.76

Finding the Fourth Proportional to 10,534.02, 15,800.46 and 5,339.76

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Solution

The fourth proportional to 10,534.02, 15,800.46 and 5,339.76 is: 8,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.02 : 15,800.46 = 5,339.76 : x
  2. Step 2: Convert to fraction form
    10,534.02/15,800.46 = 5,339.76/x
  3. Step 3: Cross multiply
    10,534.02x = 15,800.46 × 5,339.76
  4. Step 4: Simplify right side
    10,534.02x = 84,370,664.29
  5. Step 5: Solve for x
    x = 84,370,664.29/10,534.02
  6. Step 6: Final answer
    x = 8,009.35

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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.