Home / 19,715.42-27,206.88-10,762.90

Finding the Fourth Proportional to 19,715.42, 27,206.88 and 10,762.90

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Solution

The fourth proportional to 19,715.42, 27,206.88 and 10,762.90 is: 14,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.42 : 27,206.88 = 10,762.90 : x
  2. Step 2: Convert to fraction form
    19,715.42/27,206.88 = 10,762.90/x
  3. Step 3: Cross multiply
    19,715.42x = 27,206.88 × 10,762.90
  4. Step 4: Simplify right side
    19,715.42x = 292,824,928.75
  5. Step 5: Solve for x
    x = 292,824,928.75/19,715.42
  6. Step 6: Final answer
    x = 14,852.58

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1.5x scale

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.