Home / 13,746.23-18,969.56-8,366.72

Finding the Fourth Proportional to 13,746.23, 18,969.56 and 8,366.72

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Solution

The fourth proportional to 13,746.23, 18,969.56 and 8,366.72 is: 11,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.23 : 18,969.56 = 8,366.72 : x
  2. Step 2: Convert to fraction form
    13,746.23/18,969.56 = 8,366.72/x
  3. Step 3: Cross multiply
    13,746.23x = 18,969.56 × 8,366.72
  4. Step 4: Simplify right side
    13,746.23x = 158,712,955.21
  5. Step 5: Solve for x
    x = 158,712,955.21/13,746.23
  6. Step 6: Final answer
    x = 11,545.93

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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.