Home / 10,427.50-15,637.51-3,030.49

Finding the Fourth Proportional to 10,427.50, 15,637.51 and 3,030.49

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Solution

The fourth proportional to 10,427.50, 15,637.51 and 3,030.49 is: 4,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.50 : 15,637.51 = 3,030.49 : x
  2. Step 2: Convert to fraction form
    10,427.50/15,637.51 = 3,030.49/x
  3. Step 3: Cross multiply
    10,427.50x = 15,637.51 × 3,030.49
  4. Step 4: Simplify right side
    10,427.50x = 47,389,317.68
  5. Step 5: Solve for x
    x = 47,389,317.68/10,427.50
  6. Step 6: Final answer
    x = 4,544.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.