Home / 16,421.68-22,653.48-10,758.16

Finding the Fourth Proportional to 16,421.68, 22,653.48 and 10,758.16

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Solution

The fourth proportional to 16,421.68, 22,653.48 and 10,758.16 is: 14,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,421.68 : 22,653.48 = 10,758.16 : x
  2. Step 2: Convert to fraction form
    16,421.68/22,653.48 = 10,758.16/x
  3. Step 3: Cross multiply
    16,421.68x = 22,653.48 × 10,758.16
  4. Step 4: Simplify right side
    16,421.68x = 243,709,762.40
  5. Step 5: Solve for x
    x = 243,709,762.40/16,421.68
  6. Step 6: Final answer
    x = 14,840.73

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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.