Home / 9,316.35-12,856.76-5,124.60

Finding the Fourth Proportional to 9,316.35, 12,856.76 and 5,124.60

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Solution

The fourth proportional to 9,316.35, 12,856.76 and 5,124.60 is: 7,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.35 : 12,856.76 = 5,124.60 : x
  2. Step 2: Convert to fraction form
    9,316.35/12,856.76 = 5,124.60/x
  3. Step 3: Cross multiply
    9,316.35x = 12,856.76 × 5,124.60
  4. Step 4: Simplify right side
    9,316.35x = 65,885,675.20
  5. Step 5: Solve for x
    x = 65,885,675.20/9,316.35
  6. Step 6: Final answer
    x = 7,072.05

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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.