Home / 10,038.40-15,058.32-3,113.44

Finding the Fourth Proportional to 10,038.40, 15,058.32 and 3,113.44

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Solution

The fourth proportional to 10,038.40, 15,058.32 and 3,113.44 is: 4,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.40 : 15,058.32 = 3,113.44 : x
  2. Step 2: Convert to fraction form
    10,038.40/15,058.32 = 3,113.44/x
  3. Step 3: Cross multiply
    10,038.40x = 15,058.32 × 3,113.44
  4. Step 4: Simplify right side
    10,038.40x = 46,883,175.82
  5. Step 5: Solve for x
    x = 46,883,175.82/10,038.40
  6. Step 6: Final answer
    x = 4,670.38

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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.