Home / 15,133.69-22,700.28-6,807.81

Finding the Fourth Proportional to 15,133.69, 22,700.28 and 6,807.81

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Solution

The fourth proportional to 15,133.69, 22,700.28 and 6,807.81 is: 10,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.69 : 22,700.28 = 6,807.81 : x
  2. Step 2: Convert to fraction form
    15,133.69/22,700.28 = 6,807.81/x
  3. Step 3: Cross multiply
    15,133.69x = 22,700.28 × 6,807.81
  4. Step 4: Simplify right side
    15,133.69x = 154,539,303.84
  5. Step 5: Solve for x
    x = 154,539,303.84/15,133.69
  6. Step 6: Final answer
    x = 10,211.61

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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.