Home / 19,340.40-26,669.48-14,315.16

Finding the Fourth Proportional to 19,340.40, 26,669.48 and 14,315.16

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Solution

The fourth proportional to 19,340.40, 26,669.48 and 14,315.16 is: 19,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.40 : 26,669.48 = 14,315.16 : x
  2. Step 2: Convert to fraction form
    19,340.40/26,669.48 = 14,315.16/x
  3. Step 3: Cross multiply
    19,340.40x = 26,669.48 × 14,315.16
  4. Step 4: Simplify right side
    19,340.40x = 381,777,668.39
  5. Step 5: Solve for x
    x = 381,777,668.39/19,340.40
  6. Step 6: Final answer
    x = 19,739.91

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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.