Home / 14,579.96-21,870.27-5,220.62

Finding the Fourth Proportional to 14,579.96, 21,870.27 and 5,220.62

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Solution

The fourth proportional to 14,579.96, 21,870.27 and 5,220.62 is: 7,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.96 : 21,870.27 = 5,220.62 : x
  2. Step 2: Convert to fraction form
    14,579.96/21,870.27 = 5,220.62/x
  3. Step 3: Cross multiply
    14,579.96x = 21,870.27 × 5,220.62
  4. Step 4: Simplify right side
    14,579.96x = 114,176,341.63
  5. Step 5: Solve for x
    x = 114,176,341.63/14,579.96
  6. Step 6: Final answer
    x = 7,831.05

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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.