Home / 9,927.04-14,886.12-7,142

Finding the Fourth Proportional to 9,927.04, 14,886.12 and 7,142

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Solution

The fourth proportional to 9,927.04, 14,886.12 and 7,142 is: 10,709.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.04 : 14,886.12 = 7,142 : x
  2. Step 2: Convert to fraction form
    9,927.04/14,886.12 = 7,142/x
  3. Step 3: Cross multiply
    9,927.04x = 14,886.12 × 7,142
  4. Step 4: Simplify right side
    9,927.04x = 106,316,669.04
  5. Step 5: Solve for x
    x = 106,316,669.04/9,927.04
  6. Step 6: Final answer
    x = 10,709.81

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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.