Home / 9,346.10-12,897.60-5,154.35

Finding the Fourth Proportional to 9,346.10, 12,897.60 and 5,154.35

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Solution

The fourth proportional to 9,346.10, 12,897.60 and 5,154.35 is: 7,112.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346.10 : 12,897.60 = 5,154.35 : x
  2. Step 2: Convert to fraction form
    9,346.10/12,897.60 = 5,154.35/x
  3. Step 3: Cross multiply
    9,346.10x = 12,897.60 × 5,154.35
  4. Step 4: Simplify right side
    9,346.10x = 66,478,680.07
  5. Step 5: Solve for x
    x = 66,478,680.07/9,346.10
  6. Step 6: Final answer
    x = 7,112.99

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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.