Home / 19,424.74-26,808.22-11,875.50

Finding the Fourth Proportional to 19,424.74, 26,808.22 and 11,875.50

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Solution

The fourth proportional to 19,424.74, 26,808.22 and 11,875.50 is: 16,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.74 : 26,808.22 = 11,875.50 : x
  2. Step 2: Convert to fraction form
    19,424.74/26,808.22 = 11,875.50/x
  3. Step 3: Cross multiply
    19,424.74x = 26,808.22 × 11,875.50
  4. Step 4: Simplify right side
    19,424.74x = 318,361,016.61
  5. Step 5: Solve for x
    x = 318,361,016.61/19,424.74
  6. Step 6: Final answer
    x = 16,389.46

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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.