Home / 14,439.77-21,666.59-7,040.19

Finding the Fourth Proportional to 14,439.77, 21,666.59 and 7,040.19

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Solution

The fourth proportional to 14,439.77, 21,666.59 and 7,040.19 is: 10,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.77 : 21,666.59 = 7,040.19 : x
  2. Step 2: Convert to fraction form
    14,439.77/21,666.59 = 7,040.19/x
  3. Step 3: Cross multiply
    14,439.77x = 21,666.59 × 7,040.19
  4. Step 4: Simplify right side
    14,439.77x = 152,536,921.76
  5. Step 5: Solve for x
    x = 152,536,921.76/14,439.77
  6. Step 6: Final answer
    x = 10,563.67

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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.