Home / 14,164.51-21,246.75-6,746.47

Finding the Fourth Proportional to 14,164.51, 21,246.75 and 6,746.47

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Solution

The fourth proportional to 14,164.51, 21,246.75 and 6,746.47 is: 10,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.51 : 21,246.75 = 6,746.47 : x
  2. Step 2: Convert to fraction form
    14,164.51/21,246.75 = 6,746.47/x
  3. Step 3: Cross multiply
    14,164.51x = 21,246.75 × 6,746.47
  4. Step 4: Simplify right side
    14,164.51x = 143,340,561.47
  5. Step 5: Solve for x
    x = 143,340,561.47/14,164.51
  6. Step 6: Final answer
    x = 10,119.70

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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.