Home / 10,590.40-14,585.16-10,360.81

Finding the Fourth Proportional to 10,590.40, 14,585.16 and 10,360.81

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Solution

The fourth proportional to 10,590.40, 14,585.16 and 10,360.81 is: 14,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.40 : 14,585.16 = 10,360.81 : x
  2. Step 2: Convert to fraction form
    10,590.40/14,585.16 = 10,360.81/x
  3. Step 3: Cross multiply
    10,590.40x = 14,585.16 × 10,360.81
  4. Step 4: Simplify right side
    10,590.40x = 151,114,071.58
  5. Step 5: Solve for x
    x = 151,114,071.58/10,590.40
  6. Step 6: Final answer
    x = 14,268.97

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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.