Home / 9,938.61-14,909.36-3,698.10

Finding the Fourth Proportional to 9,938.61, 14,909.36 and 3,698.10

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Solution

The fourth proportional to 9,938.61, 14,909.36 and 3,698.10 is: 5,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.61 : 14,909.36 = 3,698.10 : x
  2. Step 2: Convert to fraction form
    9,938.61/14,909.36 = 3,698.10/x
  3. Step 3: Cross multiply
    9,938.61x = 14,909.36 × 3,698.10
  4. Step 4: Simplify right side
    9,938.61x = 55,136,285.73
  5. Step 5: Solve for x
    x = 55,136,285.73/9,938.61
  6. Step 6: Final answer
    x = 5,547.69

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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.