Home / 19,762.48-27,272.63-10,810.57

Finding the Fourth Proportional to 19,762.48, 27,272.63 and 10,810.57

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Solution

The fourth proportional to 19,762.48, 27,272.63 and 10,810.57 is: 14,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.48 : 27,272.63 = 10,810.57 : x
  2. Step 2: Convert to fraction form
    19,762.48/27,272.63 = 10,810.57/x
  3. Step 3: Cross multiply
    19,762.48x = 27,272.63 × 10,810.57
  4. Step 4: Simplify right side
    19,762.48x = 294,832,675.70
  5. Step 5: Solve for x
    x = 294,832,675.70/19,762.48
  6. Step 6: Final answer
    x = 14,918.81

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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.