Home / 14,688.99-22,040.61-9,140.91

Finding the Fourth Proportional to 14,688.99, 22,040.61 and 9,140.91

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Solution

The fourth proportional to 14,688.99, 22,040.61 and 9,140.91 is: 13,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.99 : 22,040.61 = 9,140.91 : x
  2. Step 2: Convert to fraction form
    14,688.99/22,040.61 = 9,140.91/x
  3. Step 3: Cross multiply
    14,688.99x = 22,040.61 × 9,140.91
  4. Step 4: Simplify right side
    14,688.99x = 201,471,232.36
  5. Step 5: Solve for x
    x = 201,471,232.36/14,688.99
  6. Step 6: Final answer
    x = 13,715.80

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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.