Home / 14,148.65-21,219.67-5,268.16

Finding the Fourth Proportional to 14,148.65, 21,219.67 and 5,268.16

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Solution

The fourth proportional to 14,148.65, 21,219.67 and 5,268.16 is: 7,901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.65 : 21,219.67 = 5,268.16 : x
  2. Step 2: Convert to fraction form
    14,148.65/21,219.67 = 5,268.16/x
  3. Step 3: Cross multiply
    14,148.65x = 21,219.67 × 5,268.16
  4. Step 4: Simplify right side
    14,148.65x = 111,788,616.71
  5. Step 5: Solve for x
    x = 111,788,616.71/14,148.65
  6. Step 6: Final answer
    x = 7,901.01

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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.