Home / 14,429.60-19,915.04-10,449.26

Finding the Fourth Proportional to 14,429.60, 19,915.04 and 10,449.26

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Solution

The fourth proportional to 14,429.60, 19,915.04 and 10,449.26 is: 14,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.60 : 19,915.04 = 10,449.26 : x
  2. Step 2: Convert to fraction form
    14,429.60/19,915.04 = 10,449.26/x
  3. Step 3: Cross multiply
    14,429.60x = 19,915.04 × 10,449.26
  4. Step 4: Simplify right side
    14,429.60x = 208,097,430.87
  5. Step 5: Solve for x
    x = 208,097,430.87/14,429.60
  6. Step 6: Final answer
    x = 14,421.57

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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.