Home / 14,159.81-21,242.15-4,300.09

Finding the Fourth Proportional to 14,159.81, 21,242.15 and 4,300.09

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Solution

The fourth proportional to 14,159.81, 21,242.15 and 4,300.09 is: 6,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.81 : 21,242.15 = 4,300.09 : x
  2. Step 2: Convert to fraction form
    14,159.81/21,242.15 = 4,300.09/x
  3. Step 3: Cross multiply
    14,159.81x = 21,242.15 × 4,300.09
  4. Step 4: Simplify right side
    14,159.81x = 91,343,098.31
  5. Step 5: Solve for x
    x = 91,343,098.31/14,159.81
  6. Step 6: Final answer
    x = 6,450.87

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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.