Home / 11,816.16-16,306.35-6,510.86

Finding the Fourth Proportional to 11,816.16, 16,306.35 and 6,510.86

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Solution

The fourth proportional to 11,816.16, 16,306.35 and 6,510.86 is: 8,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.16 : 16,306.35 = 6,510.86 : x
  2. Step 2: Convert to fraction form
    11,816.16/16,306.35 = 6,510.86/x
  3. Step 3: Cross multiply
    11,816.16x = 16,306.35 × 6,510.86
  4. Step 4: Simplify right side
    11,816.16x = 106,168,317.16
  5. Step 5: Solve for x
    x = 106,168,317.16/11,816.16
  6. Step 6: Final answer
    x = 8,985.01

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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.