Home / 19,140.48-26,426.88-14,105.28

Finding the Fourth Proportional to 19,140.48, 26,426.88 and 14,105.28

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Solution

The fourth proportional to 19,140.48, 26,426.88 and 14,105.28 is: 19,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.48 : 26,426.88 = 14,105.28 : x
  2. Step 2: Convert to fraction form
    19,140.48/26,426.88 = 14,105.28/x
  3. Step 3: Cross multiply
    19,140.48x = 26,426.88 × 14,105.28
  4. Step 4: Simplify right side
    19,140.48x = 372,758,541.93
  5. Step 5: Solve for x
    x = 372,758,541.93/19,140.48
  6. Step 6: Final answer
    x = 19,474.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.