Home / 18,545.04-27,828.48-6,866.40

Finding the Fourth Proportional to 18,545.04, 27,828.48 and 6,866.40

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Solution

The fourth proportional to 18,545.04, 27,828.48 and 6,866.40 is: 10,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.04 : 27,828.48 = 6,866.40 : x
  2. Step 2: Convert to fraction form
    18,545.04/27,828.48 = 6,866.40/x
  3. Step 3: Cross multiply
    18,545.04x = 27,828.48 × 6,866.40
  4. Step 4: Simplify right side
    18,545.04x = 191,081,475.07
  5. Step 5: Solve for x
    x = 191,081,475.07/18,545.04
  6. Step 6: Final answer
    x = 10,303.64

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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.