Home / 10,557.81-15,790.14-9,395.46

Finding the Fourth Proportional to 10,557.81, 15,790.14 and 9,395.46

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Solution

The fourth proportional to 10,557.81, 15,790.14 and 9,395.46 is: 14,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.81 : 15,790.14 = 9,395.46 : x
  2. Step 2: Convert to fraction form
    10,557.81/15,790.14 = 9,395.46/x
  3. Step 3: Cross multiply
    10,557.81x = 15,790.14 × 9,395.46
  4. Step 4: Simplify right side
    10,557.81x = 148,355,628.76
  5. Step 5: Solve for x
    x = 148,355,628.76/10,557.81
  6. Step 6: Final answer
    x = 14,051.74

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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.