Home / 19,015.67-26,233.58-12,730.07

Finding the Fourth Proportional to 19,015.67, 26,233.58 and 12,730.07

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Solution

The fourth proportional to 19,015.67, 26,233.58 and 12,730.07 is: 17,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.67 : 26,233.58 = 12,730.07 : x
  2. Step 2: Convert to fraction form
    19,015.67/26,233.58 = 12,730.07/x
  3. Step 3: Cross multiply
    19,015.67x = 26,233.58 × 12,730.07
  4. Step 4: Simplify right side
    19,015.67x = 333,955,210.41
  5. Step 5: Solve for x
    x = 333,955,210.41/19,015.67
  6. Step 6: Final answer
    x = 17,562.11

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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.