Home / 14,389.08-19,859.99-9,670.62

Finding the Fourth Proportional to 14,389.08, 19,859.99 and 9,670.62

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Solution

The fourth proportional to 14,389.08, 19,859.99 and 9,670.62 is: 13,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.08 : 19,859.99 = 9,670.62 : x
  2. Step 2: Convert to fraction form
    14,389.08/19,859.99 = 9,670.62/x
  3. Step 3: Cross multiply
    14,389.08x = 19,859.99 × 9,670.62
  4. Step 4: Simplify right side
    14,389.08x = 192,058,368.14
  5. Step 5: Solve for x
    x = 192,058,368.14/14,389.08
  6. Step 6: Final answer
    x = 13,347.51

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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.