Home / 14,009.93-21,020.51-5,690.59

Finding the Fourth Proportional to 14,009.93, 21,020.51 and 5,690.59

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Solution

The fourth proportional to 14,009.93, 21,020.51 and 5,690.59 is: 8,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.93 : 21,020.51 = 5,690.59 : x
  2. Step 2: Convert to fraction form
    14,009.93/21,020.51 = 5,690.59/x
  3. Step 3: Cross multiply
    14,009.93x = 21,020.51 × 5,690.59
  4. Step 4: Simplify right side
    14,009.93x = 119,619,065.68
  5. Step 5: Solve for x
    x = 119,619,065.68/14,009.93
  6. Step 6: Final answer
    x = 8,538.16

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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.