Home / 10,381.51-15,557.64-4,525.84

Finding the Fourth Proportional to 10,381.51, 15,557.64 and 4,525.84

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Solution

The fourth proportional to 10,381.51, 15,557.64 and 4,525.84 is: 6,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.51 : 15,557.64 = 4,525.84 : x
  2. Step 2: Convert to fraction form
    10,381.51/15,557.64 = 4,525.84/x
  3. Step 3: Cross multiply
    10,381.51x = 15,557.64 × 4,525.84
  4. Step 4: Simplify right side
    10,381.51x = 70,411,389.42
  5. Step 5: Solve for x
    x = 70,411,389.42/10,381.51
  6. Step 6: Final answer
    x = 6,782.38

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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.