Home / 12,950.90-19,421.59-4,628.67

Finding the Fourth Proportional to 12,950.90, 19,421.59 and 4,628.67

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Solution

The fourth proportional to 12,950.90, 19,421.59 and 4,628.67 is: 6,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.90 : 19,421.59 = 4,628.67 : x
  2. Step 2: Convert to fraction form
    12,950.90/19,421.59 = 4,628.67/x
  3. Step 3: Cross multiply
    12,950.90x = 19,421.59 × 4,628.67
  4. Step 4: Simplify right side
    12,950.90x = 89,896,130.99
  5. Step 5: Solve for x
    x = 89,896,130.99/12,950.90
  6. Step 6: Final answer
    x = 6,941.30

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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.