Home / 19,173.28-28,762.76-9,818.58

Finding the Fourth Proportional to 19,173.28, 28,762.76 and 9,818.58

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Solution

The fourth proportional to 19,173.28, 28,762.76 and 9,818.58 is: 14,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.28 : 28,762.76 = 9,818.58 : x
  2. Step 2: Convert to fraction form
    19,173.28/28,762.76 = 9,818.58/x
  3. Step 3: Cross multiply
    19,173.28x = 28,762.76 × 9,818.58
  4. Step 4: Simplify right side
    19,173.28x = 282,409,460.08
  5. Step 5: Solve for x
    x = 282,409,460.08/19,173.28
  6. Step 6: Final answer
    x = 14,729.32

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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.