Home / 18,386.58-25,374.72-10,429.32

Finding the Fourth Proportional to 18,386.58, 25,374.72 and 10,429.32

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Solution

The fourth proportional to 18,386.58, 25,374.72 and 10,429.32 is: 14,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.58 : 25,374.72 = 10,429.32 : x
  2. Step 2: Convert to fraction form
    18,386.58/25,374.72 = 10,429.32/x
  3. Step 3: Cross multiply
    18,386.58x = 25,374.72 × 10,429.32
  4. Step 4: Simplify right side
    18,386.58x = 264,641,074.79
  5. Step 5: Solve for x
    x = 264,641,074.79/18,386.58
  6. Step 6: Final answer
    x = 14,393.16

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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.