Home / 10,254.60-15,364.08-5,316.84

Finding the Fourth Proportional to 10,254.60, 15,364.08 and 5,316.84

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Solution

The fourth proportional to 10,254.60, 15,364.08 and 5,316.84 is: 7,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.60 : 15,364.08 = 5,316.84 : x
  2. Step 2: Convert to fraction form
    10,254.60/15,364.08 = 5,316.84/x
  3. Step 3: Cross multiply
    10,254.60x = 15,364.08 × 5,316.84
  4. Step 4: Simplify right side
    10,254.60x = 81,688,355.11
  5. Step 5: Solve for x
    x = 81,688,355.11/10,254.60
  6. Step 6: Final answer
    x = 7,966.02

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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.