Home / 19,188.05-26,477.70-10,689.31

Finding the Fourth Proportional to 19,188.05, 26,477.70 and 10,689.31

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Solution

The fourth proportional to 19,188.05, 26,477.70 and 10,689.31 is: 14,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.05 : 26,477.70 = 10,689.31 : x
  2. Step 2: Convert to fraction form
    19,188.05/26,477.70 = 10,689.31/x
  3. Step 3: Cross multiply
    19,188.05x = 26,477.70 × 10,689.31
  4. Step 4: Simplify right side
    19,188.05x = 283,028,211.00
  5. Step 5: Solve for x
    x = 283,028,211.00/19,188.05
  6. Step 6: Final answer
    x = 14,750.23

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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.