Home / 19,048.40-28,588.80-8,534.60

Finding the Fourth Proportional to 19,048.40, 28,588.80 and 8,534.60

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Solution

The fourth proportional to 19,048.40, 28,588.80 and 8,534.60 is: 12,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.40 : 28,588.80 = 8,534.60 : x
  2. Step 2: Convert to fraction form
    19,048.40/28,588.80 = 8,534.60/x
  3. Step 3: Cross multiply
    19,048.40x = 28,588.80 × 8,534.60
  4. Step 4: Simplify right side
    19,048.40x = 243,993,972.48
  5. Step 5: Solve for x
    x = 243,993,972.48/19,048.40
  6. Step 6: Final answer
    x = 12,809.16

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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.