Home / 10,051.60-13,870.68-5,575

Finding the Fourth Proportional to 10,051.60, 13,870.68 and 5,575

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Solution

The fourth proportional to 10,051.60, 13,870.68 and 5,575 is: 7,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051.60 : 13,870.68 = 5,575 : x
  2. Step 2: Convert to fraction form
    10,051.60/13,870.68 = 5,575/x
  3. Step 3: Cross multiply
    10,051.60x = 13,870.68 × 5,575
  4. Step 4: Simplify right side
    10,051.60x = 77,329,041
  5. Step 5: Solve for x
    x = 77,329,041/10,051.60
  6. Step 6: Final answer
    x = 7,693.21

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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.