Home / 19,430.04-29,088.36-14,454.48

Finding the Fourth Proportional to 19,430.04, 29,088.36 and 14,454.48

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Solution

The fourth proportional to 19,430.04, 29,088.36 and 14,454.48 is: 21,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.04 : 29,088.36 = 14,454.48 : x
  2. Step 2: Convert to fraction form
    19,430.04/29,088.36 = 14,454.48/x
  3. Step 3: Cross multiply
    19,430.04x = 29,088.36 × 14,454.48
  4. Step 4: Simplify right side
    19,430.04x = 420,457,117.85
  5. Step 5: Solve for x
    x = 420,457,117.85/19,430.04
  6. Step 6: Final answer
    x = 21,639.54

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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.