Home / 10,551.04-15,818.72-6,390.07

Finding the Fourth Proportional to 10,551.04, 15,818.72 and 6,390.07

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Solution

The fourth proportional to 10,551.04, 15,818.72 and 6,390.07 is: 9,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.04 : 15,818.72 = 6,390.07 : x
  2. Step 2: Convert to fraction form
    10,551.04/15,818.72 = 6,390.07/x
  3. Step 3: Cross multiply
    10,551.04x = 15,818.72 × 6,390.07
  4. Step 4: Simplify right side
    10,551.04x = 101,082,656.61
  5. Step 5: Solve for x
    x = 101,082,656.61/10,551.04
  6. Step 6: Final answer
    x = 9,580.35

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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.