Home / 18,920.04-26,106.93-10,960.80

Finding the Fourth Proportional to 18,920.04, 26,106.93 and 10,960.80

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Solution

The fourth proportional to 18,920.04, 26,106.93 and 10,960.80 is: 15,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.04 : 26,106.93 = 10,960.80 : x
  2. Step 2: Convert to fraction form
    18,920.04/26,106.93 = 10,960.80/x
  3. Step 3: Cross multiply
    18,920.04x = 26,106.93 × 10,960.80
  4. Step 4: Simplify right side
    18,920.04x = 286,152,838.34
  5. Step 5: Solve for x
    x = 286,152,838.34/18,920.04
  6. Step 6: Final answer
    x = 15,124.33

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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.