Home / 13,802.06-19,011.30-10,812.62

Finding the Fourth Proportional to 13,802.06, 19,011.30 and 10,812.62

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Solution

The fourth proportional to 13,802.06, 19,011.30 and 10,812.62 is: 14,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.06 : 19,011.30 = 10,812.62 : x
  2. Step 2: Convert to fraction form
    13,802.06/19,011.30 = 10,812.62/x
  3. Step 3: Cross multiply
    13,802.06x = 19,011.30 × 10,812.62
  4. Step 4: Simplify right side
    13,802.06x = 205,561,962.61
  5. Step 5: Solve for x
    x = 205,561,962.61/13,802.06
  6. Step 6: Final answer
    x = 14,893.57

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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.