Home / 10,858.68-14,985.27-6,078.51

Finding the Fourth Proportional to 10,858.68, 14,985.27 and 6,078.51

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Solution

The fourth proportional to 10,858.68, 14,985.27 and 6,078.51 is: 8,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.68 : 14,985.27 = 6,078.51 : x
  2. Step 2: Convert to fraction form
    10,858.68/14,985.27 = 6,078.51/x
  3. Step 3: Cross multiply
    10,858.68x = 14,985.27 × 6,078.51
  4. Step 4: Simplify right side
    10,858.68x = 91,088,113.55
  5. Step 5: Solve for x
    x = 91,088,113.55/10,858.68
  6. Step 6: Final answer
    x = 8,388.51

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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.