Home / 19,119.17-28,678.86-5,970.44

Finding the Fourth Proportional to 19,119.17, 28,678.86 and 5,970.44

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Solution

The fourth proportional to 19,119.17, 28,678.86 and 5,970.44 is: 8,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.17 : 28,678.86 = 5,970.44 : x
  2. Step 2: Convert to fraction form
    19,119.17/28,678.86 = 5,970.44/x
  3. Step 3: Cross multiply
    19,119.17x = 28,678.86 × 5,970.44
  4. Step 4: Simplify right side
    19,119.17x = 171,225,484.60
  5. Step 5: Solve for x
    x = 171,225,484.60/19,119.17
  6. Step 6: Final answer
    x = 8,955.70

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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.