Home / 15,218.14-22,821.45-6,457.18

Finding the Fourth Proportional to 15,218.14, 22,821.45 and 6,457.18

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Solution

The fourth proportional to 15,218.14, 22,821.45 and 6,457.18 is: 9,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.14 : 22,821.45 = 6,457.18 : x
  2. Step 2: Convert to fraction form
    15,218.14/22,821.45 = 6,457.18/x
  3. Step 3: Cross multiply
    15,218.14x = 22,821.45 × 6,457.18
  4. Step 4: Simplify right side
    15,218.14x = 147,362,210.51
  5. Step 5: Solve for x
    x = 147,362,210.51/15,218.14
  6. Step 6: Final answer
    x = 9,683.33

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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.