Home / 9,887.78-14,836.79-4,345.01

Finding the Fourth Proportional to 9,887.78, 14,836.79 and 4,345.01

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Solution

The fourth proportional to 9,887.78, 14,836.79 and 4,345.01 is: 6,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.78 : 14,836.79 = 4,345.01 : x
  2. Step 2: Convert to fraction form
    9,887.78/14,836.79 = 4,345.01/x
  3. Step 3: Cross multiply
    9,887.78x = 14,836.79 × 4,345.01
  4. Step 4: Simplify right side
    9,887.78x = 64,465,979.19
  5. Step 5: Solve for x
    x = 64,465,979.19/9,887.78
  6. Step 6: Final answer
    x = 6,519.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.