Home / 19,459.50-26,852.61-11,500.17

Finding the Fourth Proportional to 19,459.50, 26,852.61 and 11,500.17

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Solution

The fourth proportional to 19,459.50, 26,852.61 and 11,500.17 is: 15,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.50 : 26,852.61 = 11,500.17 : x
  2. Step 2: Convert to fraction form
    19,459.50/26,852.61 = 11,500.17/x
  3. Step 3: Cross multiply
    19,459.50x = 26,852.61 × 11,500.17
  4. Step 4: Simplify right side
    19,459.50x = 308,809,579.94
  5. Step 5: Solve for x
    x = 308,809,579.94/19,459.50
  6. Step 6: Final answer
    x = 15,869.35

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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.