Home / 10,859.29-14,987.43-6,880.77

Finding the Fourth Proportional to 10,859.29, 14,987.43 and 6,880.77

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Solution

The fourth proportional to 10,859.29, 14,987.43 and 6,880.77 is: 9,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.29 : 14,987.43 = 6,880.77 : x
  2. Step 2: Convert to fraction form
    10,859.29/14,987.43 = 6,880.77/x
  3. Step 3: Cross multiply
    10,859.29x = 14,987.43 × 6,880.77
  4. Step 4: Simplify right side
    10,859.29x = 103,125,024.32
  5. Step 5: Solve for x
    x = 103,125,024.32/10,859.29
  6. Step 6: Final answer
    x = 9,496.48

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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.