Home / 13,301.49-19,941.30-5,297.07

Finding the Fourth Proportional to 13,301.49, 19,941.30 and 5,297.07

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Solution

The fourth proportional to 13,301.49, 19,941.30 and 5,297.07 is: 7,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.49 : 19,941.30 = 5,297.07 : x
  2. Step 2: Convert to fraction form
    13,301.49/19,941.30 = 5,297.07/x
  3. Step 3: Cross multiply
    13,301.49x = 19,941.30 × 5,297.07
  4. Step 4: Simplify right side
    13,301.49x = 105,630,461.99
  5. Step 5: Solve for x
    x = 105,630,461.99/13,301.49
  6. Step 6: Final answer
    x = 7,941.25

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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.