Home / 15,440.75-23,048.13-13,263.47

Finding the Fourth Proportional to 15,440.75, 23,048.13 and 13,263.47

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Solution

The fourth proportional to 15,440.75, 23,048.13 and 13,263.47 is: 19,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.75 : 23,048.13 = 13,263.47 : x
  2. Step 2: Convert to fraction form
    15,440.75/23,048.13 = 13,263.47/x
  3. Step 3: Cross multiply
    15,440.75x = 23,048.13 × 13,263.47
  4. Step 4: Simplify right side
    15,440.75x = 305,698,205.27
  5. Step 5: Solve for x
    x = 305,698,205.27/15,440.75
  6. Step 6: Final answer
    x = 19,798.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.