Home / 19,303.52-26,643.20-10,922.72

Finding the Fourth Proportional to 19,303.52, 26,643.20 and 10,922.72

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Solution

The fourth proportional to 19,303.52, 26,643.20 and 10,922.72 is: 15,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.52 : 26,643.20 = 10,922.72 : x
  2. Step 2: Convert to fraction form
    19,303.52/26,643.20 = 10,922.72/x
  3. Step 3: Cross multiply
    19,303.52x = 26,643.20 × 10,922.72
  4. Step 4: Simplify right side
    19,303.52x = 291,016,213.50
  5. Step 5: Solve for x
    x = 291,016,213.50/19,303.52
  6. Step 6: Final answer
    x = 15,075.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.