Home / 11,353.47-15,670.35-6,319.50

Finding the Fourth Proportional to 11,353.47, 15,670.35 and 6,319.50

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Solution

The fourth proportional to 11,353.47, 15,670.35 and 6,319.50 is: 8,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.47 : 15,670.35 = 6,319.50 : x
  2. Step 2: Convert to fraction form
    11,353.47/15,670.35 = 6,319.50/x
  3. Step 3: Cross multiply
    11,353.47x = 15,670.35 × 6,319.50
  4. Step 4: Simplify right side
    11,353.47x = 99,028,776.83
  5. Step 5: Solve for x
    x = 99,028,776.83/11,353.47
  6. Step 6: Final answer
    x = 8,722.34

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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.