Home / 18,904.31-26,089.45-10,946.67

Finding the Fourth Proportional to 18,904.31, 26,089.45 and 10,946.67

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Solution

The fourth proportional to 18,904.31, 26,089.45 and 10,946.67 is: 15,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.31 : 26,089.45 = 10,946.67 : x
  2. Step 2: Convert to fraction form
    18,904.31/26,089.45 = 10,946.67/x
  3. Step 3: Cross multiply
    18,904.31x = 26,089.45 × 10,946.67
  4. Step 4: Simplify right side
    18,904.31x = 285,592,572.26
  5. Step 5: Solve for x
    x = 285,592,572.26/18,904.31
  6. Step 6: Final answer
    x = 15,107.28

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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.