Home / 10,717.86-14,782.52-9,389.26

Finding the Fourth Proportional to 10,717.86, 14,782.52 and 9,389.26

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Solution

The fourth proportional to 10,717.86, 14,782.52 and 9,389.26 is: 12,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.86 : 14,782.52 = 9,389.26 : x
  2. Step 2: Convert to fraction form
    10,717.86/14,782.52 = 9,389.26/x
  3. Step 3: Cross multiply
    10,717.86x = 14,782.52 × 9,389.26
  4. Step 4: Simplify right side
    10,717.86x = 138,796,965.69
  5. Step 5: Solve for x
    x = 138,796,965.69/10,717.86
  6. Step 6: Final answer
    x = 12,950.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.