Home / 13,895.03-19,175.63-7,607.45

Finding the Fourth Proportional to 13,895.03, 19,175.63 and 7,607.45

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Solution

The fourth proportional to 13,895.03, 19,175.63 and 7,607.45 is: 10,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.03 : 19,175.63 = 7,607.45 : x
  2. Step 2: Convert to fraction form
    13,895.03/19,175.63 = 7,607.45/x
  3. Step 3: Cross multiply
    13,895.03x = 19,175.63 × 7,607.45
  4. Step 4: Simplify right side
    13,895.03x = 145,877,608.41
  5. Step 5: Solve for x
    x = 145,877,608.41/13,895.03
  6. Step 6: Final answer
    x = 10,498.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.