Home / 14,430.48-19,913.67-8,465.10

Finding the Fourth Proportional to 14,430.48, 19,913.67 and 8,465.10

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Solution

The fourth proportional to 14,430.48, 19,913.67 and 8,465.10 is: 11,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.48 : 19,913.67 = 8,465.10 : x
  2. Step 2: Convert to fraction form
    14,430.48/19,913.67 = 8,465.10/x
  3. Step 3: Cross multiply
    14,430.48x = 19,913.67 × 8,465.10
  4. Step 4: Simplify right side
    14,430.48x = 168,571,207.92
  5. Step 5: Solve for x
    x = 168,571,207.92/14,430.48
  6. Step 6: Final answer
    x = 11,681.61

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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.