Home / 10,484.07-15,688.41-7,703.84

Finding the Fourth Proportional to 10,484.07, 15,688.41 and 7,703.84

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Solution

The fourth proportional to 10,484.07, 15,688.41 and 7,703.84 is: 11,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.07 : 15,688.41 = 7,703.84 : x
  2. Step 2: Convert to fraction form
    10,484.07/15,688.41 = 7,703.84/x
  3. Step 3: Cross multiply
    10,484.07x = 15,688.41 × 7,703.84
  4. Step 4: Simplify right side
    10,484.07x = 120,860,922.05
  5. Step 5: Solve for x
    x = 120,860,922.05/10,484.07
  6. Step 6: Final answer
    x = 11,528.05

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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.