Home / 10,918.72-16,365.12-6,292.16

Finding the Fourth Proportional to 10,918.72, 16,365.12 and 6,292.16

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Solution

The fourth proportional to 10,918.72, 16,365.12 and 6,292.16 is: 9,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.72 : 16,365.12 = 6,292.16 : x
  2. Step 2: Convert to fraction form
    10,918.72/16,365.12 = 6,292.16/x
  3. Step 3: Cross multiply
    10,918.72x = 16,365.12 × 6,292.16
  4. Step 4: Simplify right side
    10,918.72x = 102,971,953.46
  5. Step 5: Solve for x
    x = 102,971,953.46/10,918.72
  6. Step 6: Final answer
    x = 9,430.77

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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.