Home / 14,037.19-21,032.65-12,590.35

Finding the Fourth Proportional to 14,037.19, 21,032.65 and 12,590.35

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Solution

The fourth proportional to 14,037.19, 21,032.65 and 12,590.35 is: 18,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.19 : 21,032.65 = 12,590.35 : x
  2. Step 2: Convert to fraction form
    14,037.19/21,032.65 = 12,590.35/x
  3. Step 3: Cross multiply
    14,037.19x = 21,032.65 × 12,590.35
  4. Step 4: Simplify right side
    14,037.19x = 264,808,388.08
  5. Step 5: Solve for x
    x = 264,808,388.08/14,037.19
  6. Step 6: Final answer
    x = 18,864.78

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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.