Home / 18,984.42-26,199.93-10,920.54

Finding the Fourth Proportional to 18,984.42, 26,199.93 and 10,920.54

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Solution

The fourth proportional to 18,984.42, 26,199.93 and 10,920.54 is: 15,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.42 : 26,199.93 = 10,920.54 : x
  2. Step 2: Convert to fraction form
    18,984.42/26,199.93 = 10,920.54/x
  3. Step 3: Cross multiply
    18,984.42x = 26,199.93 × 10,920.54
  4. Step 4: Simplify right side
    18,984.42x = 286,117,473.64
  5. Step 5: Solve for x
    x = 286,117,473.64/18,984.42
  6. Step 6: Final answer
    x = 15,071.17

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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.