Home / 11,870.02-16,378.83-6,564.87

Finding the Fourth Proportional to 11,870.02, 16,378.83 and 6,564.87

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Solution

The fourth proportional to 11,870.02, 16,378.83 and 6,564.87 is: 9,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.02 : 16,378.83 = 6,564.87 : x
  2. Step 2: Convert to fraction form
    11,870.02/16,378.83 = 6,564.87/x
  3. Step 3: Cross multiply
    11,870.02x = 16,378.83 × 6,564.87
  4. Step 4: Simplify right side
    11,870.02x = 107,524,889.70
  5. Step 5: Solve for x
    x = 107,524,889.70/11,870.02
  6. Step 6: Final answer
    x = 9,058.53

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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.