Home / 19,488.46-29,237.55-5,637.46

Finding the Fourth Proportional to 19,488.46, 29,237.55 and 5,637.46

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Solution

The fourth proportional to 19,488.46, 29,237.55 and 5,637.46 is: 8,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.46 : 29,237.55 = 5,637.46 : x
  2. Step 2: Convert to fraction form
    19,488.46/29,237.55 = 5,637.46/x
  3. Step 3: Cross multiply
    19,488.46x = 29,237.55 × 5,637.46
  4. Step 4: Simplify right side
    19,488.46x = 164,825,518.62
  5. Step 5: Solve for x
    x = 164,825,518.62/19,488.46
  6. Step 6: Final answer
    x = 8,457.60

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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.