Home / 19,109.52-26,368.16-10,724.40

Finding the Fourth Proportional to 19,109.52, 26,368.16 and 10,724.40

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Solution

The fourth proportional to 19,109.52, 26,368.16 and 10,724.40 is: 14,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.52 : 26,368.16 = 10,724.40 : x
  2. Step 2: Convert to fraction form
    19,109.52/26,368.16 = 10,724.40/x
  3. Step 3: Cross multiply
    19,109.52x = 26,368.16 × 10,724.40
  4. Step 4: Simplify right side
    19,109.52x = 282,782,695.10
  5. Step 5: Solve for x
    x = 282,782,695.10/19,109.52
  6. Step 6: Final answer
    x = 14,798.00

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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.