Home / 19,355.04-26,710.56-10,972.80

Finding the Fourth Proportional to 19,355.04, 26,710.56 and 10,972.80

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Solution

The fourth proportional to 19,355.04, 26,710.56 and 10,972.80 is: 15,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.04 : 26,710.56 = 10,972.80 : x
  2. Step 2: Convert to fraction form
    19,355.04/26,710.56 = 10,972.80/x
  3. Step 3: Cross multiply
    19,355.04x = 26,710.56 × 10,972.80
  4. Step 4: Simplify right side
    19,355.04x = 293,089,632.77
  5. Step 5: Solve for x
    x = 293,089,632.77/19,355.04
  6. Step 6: Final answer
    x = 15,142.81

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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.