Home / 11,070.34-15,278.61-6,356.50

Finding the Fourth Proportional to 11,070.34, 15,278.61 and 6,356.50

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Solution

The fourth proportional to 11,070.34, 15,278.61 and 6,356.50 is: 8,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.34 : 15,278.61 = 6,356.50 : x
  2. Step 2: Convert to fraction form
    11,070.34/15,278.61 = 6,356.50/x
  3. Step 3: Cross multiply
    11,070.34x = 15,278.61 × 6,356.50
  4. Step 4: Simplify right side
    11,070.34x = 97,118,484.47
  5. Step 5: Solve for x
    x = 97,118,484.47/11,070.34
  6. Step 6: Final answer
    x = 8,772.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.