Home / 12,933.46-19,312.52-10,271.08

Finding the Fourth Proportional to 12,933.46, 19,312.52 and 10,271.08

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Solution

The fourth proportional to 12,933.46, 19,312.52 and 10,271.08 is: 15,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.46 : 19,312.52 = 10,271.08 : x
  2. Step 2: Convert to fraction form
    12,933.46/19,312.52 = 10,271.08/x
  3. Step 3: Cross multiply
    12,933.46x = 19,312.52 × 10,271.08
  4. Step 4: Simplify right side
    12,933.46x = 198,360,437.92
  5. Step 5: Solve for x
    x = 198,360,437.92/12,933.46
  6. Step 6: Final answer
    x = 15,337.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.