Home / 14,258.23-21,400.61-7,243.22

Finding the Fourth Proportional to 14,258.23, 21,400.61 and 7,243.22

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Solution

The fourth proportional to 14,258.23, 21,400.61 and 7,243.22 is: 10,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.23 : 21,400.61 = 7,243.22 : x
  2. Step 2: Convert to fraction form
    14,258.23/21,400.61 = 7,243.22/x
  3. Step 3: Cross multiply
    14,258.23x = 21,400.61 × 7,243.22
  4. Step 4: Simplify right side
    14,258.23x = 155,009,343.65
  5. Step 5: Solve for x
    x = 155,009,343.65/14,258.23
  6. Step 6: Final answer
    x = 10,871.57

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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.