Home / 11,927.50-16,459.86-6,550.02

Finding the Fourth Proportional to 11,927.50, 16,459.86 and 6,550.02

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Solution

The fourth proportional to 11,927.50, 16,459.86 and 6,550.02 is: 9,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.50 : 16,459.86 = 6,550.02 : x
  2. Step 2: Convert to fraction form
    11,927.50/16,459.86 = 6,550.02/x
  3. Step 3: Cross multiply
    11,927.50x = 16,459.86 × 6,550.02
  4. Step 4: Simplify right side
    11,927.50x = 107,812,412.20
  5. Step 5: Solve for x
    x = 107,812,412.20/11,927.50
  6. Step 6: Final answer
    x = 9,038.98

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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.