Home / 10,858.59-14,985.41-6,144.39

Finding the Fourth Proportional to 10,858.59, 14,985.41 and 6,144.39

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Solution

The fourth proportional to 10,858.59, 14,985.41 and 6,144.39 is: 8,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.59 : 14,985.41 = 6,144.39 : x
  2. Step 2: Convert to fraction form
    10,858.59/14,985.41 = 6,144.39/x
  3. Step 3: Cross multiply
    10,858.59x = 14,985.41 × 6,144.39
  4. Step 4: Simplify right side
    10,858.59x = 92,076,172.63
  5. Step 5: Solve for x
    x = 92,076,172.63/10,858.59
  6. Step 6: Final answer
    x = 8,479.57

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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.