Home / 18,838.64-26,000.93-12,465.36

Finding the Fourth Proportional to 18,838.64, 26,000.93 and 12,465.36

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Solution

The fourth proportional to 18,838.64, 26,000.93 and 12,465.36 is: 17,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.64 : 26,000.93 = 12,465.36 : x
  2. Step 2: Convert to fraction form
    18,838.64/26,000.93 = 12,465.36/x
  3. Step 3: Cross multiply
    18,838.64x = 26,000.93 × 12,465.36
  4. Step 4: Simplify right side
    18,838.64x = 324,110,983.95
  5. Step 5: Solve for x
    x = 324,110,983.95/18,838.64
  6. Step 6: Final answer
    x = 17,204.58

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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.