Home / 12,277.36-18,411.79-7,590.19

Finding the Fourth Proportional to 12,277.36, 18,411.79 and 7,590.19

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Solution

The fourth proportional to 12,277.36, 18,411.79 and 7,590.19 is: 11,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.36 : 18,411.79 = 7,590.19 : x
  2. Step 2: Convert to fraction form
    12,277.36/18,411.79 = 7,590.19/x
  3. Step 3: Cross multiply
    12,277.36x = 18,411.79 × 7,590.19
  4. Step 4: Simplify right side
    12,277.36x = 139,748,984.34
  5. Step 5: Solve for x
    x = 139,748,984.34/12,277.36
  6. Step 6: Final answer
    x = 11,382.66

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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.