Home / 14,075.57-19,421.37-8,105.67

Finding the Fourth Proportional to 14,075.57, 19,421.37 and 8,105.67

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Solution

The fourth proportional to 14,075.57, 19,421.37 and 8,105.67 is: 11,184.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.57 : 19,421.37 = 8,105.67 : x
  2. Step 2: Convert to fraction form
    14,075.57/19,421.37 = 8,105.67/x
  3. Step 3: Cross multiply
    14,075.57x = 19,421.37 × 8,105.67
  4. Step 4: Simplify right side
    14,075.57x = 157,423,216.17
  5. Step 5: Solve for x
    x = 157,423,216.17/14,075.57
  6. Step 6: Final answer
    x = 11,184.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.