Home / 14,658.36-21,987.18-4,270.20

Finding the Fourth Proportional to 14,658.36, 21,987.18 and 4,270.20

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Solution

The fourth proportional to 14,658.36, 21,987.18 and 4,270.20 is: 6,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.36 : 21,987.18 = 4,270.20 : x
  2. Step 2: Convert to fraction form
    14,658.36/21,987.18 = 4,270.20/x
  3. Step 3: Cross multiply
    14,658.36x = 21,987.18 × 4,270.20
  4. Step 4: Simplify right side
    14,658.36x = 93,889,656.04
  5. Step 5: Solve for x
    x = 93,889,656.04/14,658.36
  6. Step 6: Final answer
    x = 6,405.20

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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.