Home / 19,312.19-28,968.79-6,164.55

Finding the Fourth Proportional to 19,312.19, 28,968.79 and 6,164.55

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Solution

The fourth proportional to 19,312.19, 28,968.79 and 6,164.55 is: 9,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.19 : 28,968.79 = 6,164.55 : x
  2. Step 2: Convert to fraction form
    19,312.19/28,968.79 = 6,164.55/x
  3. Step 3: Cross multiply
    19,312.19x = 28,968.79 × 6,164.55
  4. Step 4: Simplify right side
    19,312.19x = 178,579,554.39
  5. Step 5: Solve for x
    x = 178,579,554.39/19,312.19
  6. Step 6: Final answer
    x = 9,246.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.