Home / 19,356.08-28,984.88-12,762.26

Finding the Fourth Proportional to 19,356.08, 28,984.88 and 12,762.26

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Solution

The fourth proportional to 19,356.08, 28,984.88 and 12,762.26 is: 19,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.08 : 28,984.88 = 12,762.26 : x
  2. Step 2: Convert to fraction form
    19,356.08/28,984.88 = 12,762.26/x
  3. Step 3: Cross multiply
    19,356.08x = 28,984.88 × 12,762.26
  4. Step 4: Simplify right side
    19,356.08x = 369,912,574.63
  5. Step 5: Solve for x
    x = 369,912,574.63/19,356.08
  6. Step 6: Final answer
    x = 19,110.92

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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.