Home / 10,610.94-14,646.51-6,420.54

Finding the Fourth Proportional to 10,610.94, 14,646.51 and 6,420.54

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Solution

The fourth proportional to 10,610.94, 14,646.51 and 6,420.54 is: 8,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.94 : 14,646.51 = 6,420.54 : x
  2. Step 2: Convert to fraction form
    10,610.94/14,646.51 = 6,420.54/x
  3. Step 3: Cross multiply
    10,610.94x = 14,646.51 × 6,420.54
  4. Step 4: Simplify right side
    10,610.94x = 94,038,503.32
  5. Step 5: Solve for x
    x = 94,038,503.32/10,610.94
  6. Step 6: Final answer
    x = 8,862.41

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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.