Home / 19,113.20-28,653.45-7,260.35

Finding the Fourth Proportional to 19,113.20, 28,653.45 and 7,260.35

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Solution

The fourth proportional to 19,113.20, 28,653.45 and 7,260.35 is: 10,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.20 : 28,653.45 = 7,260.35 : x
  2. Step 2: Convert to fraction form
    19,113.20/28,653.45 = 7,260.35/x
  3. Step 3: Cross multiply
    19,113.20x = 28,653.45 × 7,260.35
  4. Step 4: Simplify right side
    19,113.20x = 208,034,075.71
  5. Step 5: Solve for x
    x = 208,034,075.71/19,113.20
  6. Step 6: Final answer
    x = 10,884.31

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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.