Home / 13,558.63-18,701.27-12,443.17

Finding the Fourth Proportional to 13,558.63, 18,701.27 and 12,443.17

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Solution

The fourth proportional to 13,558.63, 18,701.27 and 12,443.17 is: 17,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.63 : 18,701.27 = 12,443.17 : x
  2. Step 2: Convert to fraction form
    13,558.63/18,701.27 = 12,443.17/x
  3. Step 3: Cross multiply
    13,558.63x = 18,701.27 × 12,443.17
  4. Step 4: Simplify right side
    13,558.63x = 232,703,019.61
  5. Step 5: Solve for x
    x = 232,703,019.61/13,558.63
  6. Step 6: Final answer
    x = 17,162.72

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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.