Home / 13,038.15-19,542.65-5,631.51

Finding the Fourth Proportional to 13,038.15, 19,542.65 and 5,631.51

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Solution

The fourth proportional to 13,038.15, 19,542.65 and 5,631.51 is: 8,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.15 : 19,542.65 = 5,631.51 : x
  2. Step 2: Convert to fraction form
    13,038.15/19,542.65 = 5,631.51/x
  3. Step 3: Cross multiply
    13,038.15x = 19,542.65 × 5,631.51
  4. Step 4: Simplify right side
    13,038.15x = 110,054,628.90
  5. Step 5: Solve for x
    x = 110,054,628.90/13,038.15
  6. Step 6: Final answer
    x = 8,440.97

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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.