Home / 12,658.08-18,987.93-5,263.14

Finding the Fourth Proportional to 12,658.08, 18,987.93 and 5,263.14

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Solution

The fourth proportional to 12,658.08, 18,987.93 and 5,263.14 is: 7,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658.08 : 18,987.93 = 5,263.14 : x
  2. Step 2: Convert to fraction form
    12,658.08/18,987.93 = 5,263.14/x
  3. Step 3: Cross multiply
    12,658.08x = 18,987.93 × 5,263.14
  4. Step 4: Simplify right side
    12,658.08x = 99,936,133.90
  5. Step 5: Solve for x
    x = 99,936,133.90/12,658.08
  6. Step 6: Final answer
    x = 7,895.05

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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.