Home / 14,148.99-19,526.40-7,775.91

Finding the Fourth Proportional to 14,148.99, 19,526.40 and 7,775.91

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Solution

The fourth proportional to 14,148.99, 19,526.40 and 7,775.91 is: 10,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.99 : 19,526.40 = 7,775.91 : x
  2. Step 2: Convert to fraction form
    14,148.99/19,526.40 = 7,775.91/x
  3. Step 3: Cross multiply
    14,148.99x = 19,526.40 × 7,775.91
  4. Step 4: Simplify right side
    14,148.99x = 151,835,529.02
  5. Step 5: Solve for x
    x = 151,835,529.02/14,148.99
  6. Step 6: Final answer
    x = 10,731.19

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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.