Home / 14,292.48-21,440.14-4,931.26

Finding the Fourth Proportional to 14,292.48, 21,440.14 and 4,931.26

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Solution

The fourth proportional to 14,292.48, 21,440.14 and 4,931.26 is: 7,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.48 : 21,440.14 = 4,931.26 : x
  2. Step 2: Convert to fraction form
    14,292.48/21,440.14 = 4,931.26/x
  3. Step 3: Cross multiply
    14,292.48x = 21,440.14 × 4,931.26
  4. Step 4: Simplify right side
    14,292.48x = 105,726,904.78
  5. Step 5: Solve for x
    x = 105,726,904.78/14,292.48
  6. Step 6: Final answer
    x = 7,397.38

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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.