Home / 23,014.40-34,526.40-13,145.60

Finding the Fourth Proportional to 23,014.40, 34,526.40 and 13,145.60

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Solution

The fourth proportional to 23,014.40, 34,526.40 and 13,145.60 is: 19,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,014.40 : 34,526.40 = 13,145.60 : x
  2. Step 2: Convert to fraction form
    23,014.40/34,526.40 = 13,145.60/x
  3. Step 3: Cross multiply
    23,014.40x = 34,526.40 × 13,145.60
  4. Step 4: Simplify right side
    23,014.40x = 453,870,243.84
  5. Step 5: Solve for x
    x = 453,870,243.84/23,014.40
  6. Step 6: Final answer
    x = 19,721.14

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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.