Home / 15,136.81-22,711.47-6,698.89

Finding the Fourth Proportional to 15,136.81, 22,711.47 and 6,698.89

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Solution

The fourth proportional to 15,136.81, 22,711.47 and 6,698.89 is: 10,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.81 : 22,711.47 = 6,698.89 : x
  2. Step 2: Convert to fraction form
    15,136.81/22,711.47 = 6,698.89/x
  3. Step 3: Cross multiply
    15,136.81x = 22,711.47 × 6,698.89
  4. Step 4: Simplify right side
    15,136.81x = 152,141,639.27
  5. Step 5: Solve for x
    x = 152,141,639.27/15,136.81
  6. Step 6: Final answer
    x = 10,051.10

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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.