Home / 19,069.08-28,607.40-7,382.40

Finding the Fourth Proportional to 19,069.08, 28,607.40 and 7,382.40

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Solution

The fourth proportional to 19,069.08, 28,607.40 and 7,382.40 is: 11,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.08 : 28,607.40 = 7,382.40 : x
  2. Step 2: Convert to fraction form
    19,069.08/28,607.40 = 7,382.40/x
  3. Step 3: Cross multiply
    19,069.08x = 28,607.40 × 7,382.40
  4. Step 4: Simplify right side
    19,069.08x = 211,191,269.76
  5. Step 5: Solve for x
    x = 211,191,269.76/19,069.08
  6. Step 6: Final answer
    x = 11,075.06

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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.