Home / 18,948.53-28,422.50-6,477.17

Finding the Fourth Proportional to 18,948.53, 28,422.50 and 6,477.17

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Solution

The fourth proportional to 18,948.53, 28,422.50 and 6,477.17 is: 9,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.53 : 28,422.50 = 6,477.17 : x
  2. Step 2: Convert to fraction form
    18,948.53/28,422.50 = 6,477.17/x
  3. Step 3: Cross multiply
    18,948.53x = 28,422.50 × 6,477.17
  4. Step 4: Simplify right side
    18,948.53x = 184,097,189.83
  5. Step 5: Solve for x
    x = 184,097,189.83/18,948.53
  6. Step 6: Final answer
    x = 9,715.64

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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.